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 The Amazing Ways Your Blood Circulatory System Keeps You Alive

You may have spent some time wondering about the circulatory system and how it keeps your body alive, but do you really know? The circulatory system consists of blood vessels, heart and blood, which provides nutrients to all the cells in your body and removes waste products from them as well. You can learn more about the amazing ways your blood circulatory system keeps you alive in this article.

Heart

The heart is a muscle that contracts and relaxes to pump blood throughout the body. The right side of the heart pumps blood to the lungs, where it picks up oxygen. The left side of the heart then pumps the oxygen-rich blood to the rest of the body. This process is known as circulation. Blood carries vital nutrients, hormones, and proteins to cells all over your body through networks of vessels called arteries and veins. Veins carry the blood back to the heart while arteries carry the blood away from the heart. These vessels branch off into smaller ones near their destination areas in order to deliver blood closer to its target cells. Some parts of the circulatory system are close to skin surface, such as capillaries in fingers and toes. Some parts are deep inside your body like the coronary artery that supplies blood to the heart. To make sure there's enough room for these arteries and veins, some of them grow together to form large networks called vascular beds or plexuses. 

Your arterial walls contain an elastic layer made up of elastin and collagen fibers (like the rubber band) which helps push blood against gravity when you stand upright or lift heavy objects so they don't become clogged with fat deposits or other substances. Tiny muscles within the arterial wall contract to move blood forward and widen in diameter to increase flow. They also release nitric oxide, a gas that causes your blood vessels to open wider still, letting more oxygen-rich blood reach each cell! The same thing happens on the way back down again - this time tiny muscles within the venous wall contract to narrow or constrict (tighter than before) causing less pressure on the vessel but at the same time slowing down returning blood. It's called venous return because it moves back towards the heart by going uphill against gravity. And it takes longer to get back to the heart because of that uphill pressure. But if someone has poor cardiovascular fitness, the walls of the blood vessels may not be strong enough and things can slow down too much. When this happens, those cells aren't getting what they need: oxygen-rich blood isn't being delivered fast enough and the cells can die from lack of energy! That's how high blood pressure can lead to strokes, heart attacks, or even kidney failure. 

While we talk about the different systems that work together to keep us alive like our respiratory system and nervous system, there's no doubt about it: our circulatory system does the lion's share of work! Want to know more? Read more about the various aspects of the circulatory system here! 

The lungs are a part of your circulatory system, but they're not actually in your heart. The heart is a pump and your lungs are organs. They both contain blood vessels but they aren't directly connected because they each carry blood in opposite directions (the heart carries blood away from your body while lung tissue carries blood toward your body). Lung tissue includes numerous tiny air sacs called alveoli that take oxygen from inhaled air (outside) into capillaries which join into larger and larger branches until they reach tiny veins. These tiny veins pick up oxygen-rich red blood cells out of these capillaries and return them back through our circulation where red cells release their oxygen into other nearby cells at their final destination.

Arteries, Veins and Capillaries

Your blood circulatory system is made up of your arteries, veins and capillaries. Arteries carry oxygen-rich blood away from your heart to the rest of your body. Veins carry carbon dioxide-rich blood back to your heart. Capillaries are tiny blood vessels that connect your arteries and veins. They're so small you can't see them with the naked eye. They're designed to bring oxygen from your lungs and nutrients from food into your bloodstream as well as pull waste products out of your blood for elimination by your kidneys. 

What are some amazing ways that my circulatory system keeps me alive? 

First, it transports essential nutrients like proteins, fats, carbohydrates and minerals throughout my body which fuels my cells with what they need for growth and repair. Second, it helps regulate temperature by transporting heat energy in an upward direction (from feet to head) or a downward direction (from head to feet). Thirdly, it removes wastes like CO2 so I don't suffocate! My blood also delivers hormones and chemicals like adrenaline through my vascular system when I'm feeling scared or stressed. Fourth, it fights infection: When bacteria invades one part of my body, white blood cells flood that area to combat the invaders. And last but not least, when I get hurt (or cut myself), platelets stick together at the wound site to form a clot until other immune cells come along to clean up any dead tissue left behind and help rebuild new tissue. Without these amazing functions of my circulatory system, I wouldn't be able to live life to its fullest. With all this information, I know now how important my blood circulatory system is to keep me alive. As I mentioned before, without this system, there would be no way for me to function normally. In fact, if anything were to happen to it I would die. The blood circulatory system is very important in keeping us healthy and alive because without it we would never survive. It helps transport different things like water, oxygen, sugars, amino acids and fat molecules while getting rid of unwanted stuff too. It protects our organs against various diseases by destroying infectious organisms like viruses and bacteria that enter our bodies and prevents infections from spreading quickly. It brings materials such as salt and iron to our cells so they have what they need to work properly. It maintains the right temperature in our bodies by moving heat either upwards or downwards according to the needs of specific areas; blood flow is strongest near your skin's surface where it can cool you down on hot days while conversely becoming warmest near your core where it warms you up on cold days. It also pumps insulin from your pancreas into muscles cells so those muscles can take glucose from the bloodstream for fuel during exercise

Cells, Tissues and Plasma

Every minute, about a trillion cells in your body die and are replaced. To do this, they need a constant supply of oxygen and nutrients, which they get from the blood circulating through the body. The blood circulatory system is made up of the heart, which pumps the blood, and the blood vessels, which carry it. The system also helps to remove waste products from the cells. A network of small tubes called capillaries connects tiny arterioles with even tinier venules that branch off from them. When you exercise, for example, capillaries grow larger and allow more blood to flow through them so that more oxygen can be delivered to muscles. When you're resting, the capillaries shrink back so that less blood goes into them. But when you cut yourself, a chemical called histamine is released from tissue damaged by the injury. Histamine causes an increase in vascular permeability (known as leaky capillaries) and leads to an increased rate of blood flow. Platelets form clots to stop the bleeding and clotting factors help break down any excess fibrinogen on site. And because our red blood cells have hemoglobin - a protein containing iron - which makes them naturally attracted to oxygen, they too are instrumental in delivering oxygen throughout our bloodstream. For the most part, our hearts beat without us consciously thinking about it. It's a 24-hour process regulated by electrical impulses generated by neurons in the brainstem area of the central nervous system. They send signals to specialized heart cells called pacemaker cells, which act like mini-generators sending out their own electrical impulses every time they contract and relax. If something were to happen to these pacemaker cells or if they didn't work properly anymore, then we would no longer be able to control how fast or slow our hearts beat. That's why scientists study human cardiomyopathy closely: irregular heartbeat may lead to serious complications such as chest pain and shortness of breath during physical activity or periods of restlessness while lying down at night. Unfortunately, many people still believe that skipping a meal before running will give them energy or decrease hunger after running. In reality, this can cause extreme nausea, vomiting and lightheadedness. Eating beforehand will give you more energy than fasting and make sure you don't run out of gas during your workout! Frequent meals high in carbohydrates and proteins, will ensure you have enough fuel to keep going. 

It's best to drink fluids before, during and after exercise. Water is usually the best choice, but sports drinks can help replenish electrolytes lost in sweat. Gatorade has been shown to improve athletic performance and rehydrate better than water alone. The benefits of exercise include a stronger heart, healthier lungs and stronger bones. It can lower blood pressure, reduce the risk of heart disease and diabetes. Exercise is also good for your mental health by reducing stress and anxiety. The endorphins that are released during exercise provide a natural high and endorphins can even promote sleep, which is especially important to maintain an exercise routine. Working out in the morning gives you an extra boost of energy to start your day; in the evening it can help you unwind from the day's stressors. It's also a great way to relieve everyday stress and tension. As you exercise, your body releases feel-good hormones called endorphins that can make you feel happy, calm and relaxed. The best types of exercise are those that use large muscle groups in your body, which will give you the most energy and produce the highest levels of endorphins. Some examples are walking, swimming, running or dancing.

What keeps our blood in the right places?

The circulatory system is a network of tubes that carry blood to and from the heart. The system is made up of three parts: the arteries, which carry blood away from the heart; the veins, which carry blood back to the heart; and the capillaries, which are tiny blood vessels that connect the arteries and veins. These small tubes allow oxygen-rich blood to travel between the different tissues in your body, delivering life-giving nutrients and carrying waste products away. They also act as highways for hormones and other substances. Sometimes, though, these little tubes can become blocked by fat or cholesterol deposits called plaque. Plaque blocks the flow of blood, making it difficult for muscles to get the food they need and leading to damage to those muscles and organs nearby. One example is when plaque builds up on artery walls deep inside an artery - a condition called atherosclerosis - it can lead to chest pain (angina) or stroke caused by blocked blood flow (ischemic stroke). Atherosclerosis starts when fats and cholesterol in the bloodstream attach to an artery wall. Gradually, more and more build up over time until there's enough hardening to restrict blood flow and cause symptoms. Once you have coronary heart disease, this narrowing of the coronary arteries makes it much harder for your heart muscle to receive enough oxygen-rich blood (known as myocardial hypoxia). If left untreated, this condition can eventually lead to death through heart attack or congestive heart failure. There are many risk factors for heart disease, including high blood pressure, high LDL cholesterol levels, diabetes mellitus, smoking and lack of exercise. But there are also many ways to reduce your risk like quitting smoking, managing diabetes with medication if necessary and maintaining a healthy weight. There is even research into using medications that help prevent plaque buildup or dissolve existing plaques such as aspirin or statins. However, some people with heart disease still experience chest pain because their blockages aren't severe enough to be diagnosed as severe. In these cases, doctors may prescribe lifestyle changes such as following a healthier diet, exercising regularly and reducing stress levels.

Where does red blood come from?

Red blood cells are produced in the bone marrow of your larger bones. The average lifespan of a red blood cell is about 120 days. At the end of their lifespan, they are broken down and recycled by the body. White blood cells are produced in the bone marrow as well. They fight infection and help keep you healthy. Platelets are also produced in the bone marrow. They help your blood clot and prevent you from losing too much blood if you are injured. Let's take a look at how the circulatory system works: Your heart pumps blood through your arteries to all parts of your body, including your organs and muscles. Once it has traveled through these areas, it moves back into smaller veins that lead back to the heart again. Your heart will then pump this oxygen-rich blood out to those same areas again and again until you die or decide to donate some of that precious life-giving fluid! In order for everything to work properly, it is important for your lungs to bring fresh air in and for waste products like carbon dioxide to be removed from the body so you can stay alive. If something should happen to any part of this process, like a clogged artery or even just a common cold virus attacking one of your immune cells, there could be serious consequences such as strokes or pneumonia. These diseases are among the leading causes of death worldwide so we want to make sure our bloodstream stays healthy and strong! We need to keep an eye on cholesterol levels, exercise regularly and get enough sleep. It’s time to think outside the box when it comes to keeping yourself healthy because after all...it’s your life! 

When we talk about red blood cells and white blood cells, what exactly do we mean? Well to understand that let’s start with DNA which stands for deoxyribonucleic acid. Every single living thing on Earth has DNA inside its nucleus which carries genetic instructions necessary for survival. Of course when I say living thing I don't mean a rock or piece of wood—even though technically speaking both things have molecules that move around and interact with each other—I mean anything made up of organic matter; basically anything living since only living things contain DNA. Anyway, so now that we know what DNA is and where it lives, here’s how it relates to the two types of cells mentioned above. For starters, every single human being on earth has 50 trillion red blood cells circulating through them at any given moment. That might sound like a lot but considering humans are made up of over 100 trillion cells total (wow!), 50 trillion red blood cells doesn't seem quite as bad anymore does it? Anyway, each type of cell in your body—whether it be skin or muscle tissue or some form of internal organ—has its own function in keeping you alive.

What about white blood cells?

Your blood is also home to white blood cells, which are an important part of your immune system. These cells help you fight off infection and disease by attacking harmful bacteria and viruses. They also help to clean up damaged tissue. The body has many different types of white blood cells, each with a specific function. In general, the job of these cells is to protect the body from outside threats. But sometimes they can be too aggressive, and attack healthy tissues instead. For example, autoimmune diseases like lupus and rheumatoid arthritis are caused when one’s own white blood cells mistakenly target healthy tissues in the joints or skin. On top of that, having too few white blood cells can lead to dangerous infections and make other diseases worse. So it's really important for your health that there are always enough new ones coming into circulation. That's where stem cells come in. Stem cells have the amazing ability to create all three types of blood cell: red, white, and platelets. When your bone marrow detects a decrease in one type of cell (say red), it triggers stem cells to create more red blood cells. And when there aren't enough platelets around because you're sick or not eating well, stem cells jump into action again, creating more platelets so that clotting continues smoothly throughout your body! White blood cells play a key role in fighting infection, but it turns out their only weapon is actually your body's natural defense mechanism - your immune system. White blood cells go after invading bacteria and foreign substances using chemical weapons called antibodies. Antibodies have tags on them called immunoglobulins (antibodies work together to recognize intruders) that are either tailored to match invaders exactly or neutralize them without being targeted themselves. Your body produces antibodies all the time as long as it stays healthy - but if you get sick, those antibodies can dwindle due to the demands placed on them during illness. Luckily for us, there are stem cells waiting in the wings ready to produce more when needed! Bone marrow isn't just responsible for producing your blood cells; it also sends messages to your thymus gland, telling it how much white blood cells need to be made. Once the message is received, thymin will crank out more white blood cells in response to the request. Even though we spend most of our lives thinking about what happens when our circulatory system fails and we bleed out, this entire process ensures that your body has just enough active white blood cells at any given moment- even when you're sleeping!

How do platelets help us fight infection?

Platelets are a type of blood cell that helps your body form clots. Clots are important because they help stop bleeding. When you get a cut, your platelets rush to the injury site and stick together to form a clot. This clotting process is what helps you heal. Platelets also play an important role in fighting infection. They release chemicals that help destroy bacteria and viruses. It's like having little Pac-Men inside your bloodstream that only eat bad guys! Another important function of platelets is that they contain substances called growth factors. These substances make new cells grow for wound healing and repair. If you don't have enough platelets or these other substances, you can develop wounds that don't heal very well or at all! There are some treatments for this, but it really depends on the underlying cause of why you don't have enough platelets or those other substances. For example, if you've been taking too many medications that thin your blood, then one treatment may be to simply reduce the dose of medication. But if there's something more serious going on with your bone marrow where they're not making enough platelets and growth factors (called thrombocytopenia), then we need to figure out what might be causing that problem so we can treat it appropriately. Doctors may do a bone marrow biopsy or take a sample from the skin (called a skin prick test) to look for clues about why there aren't enough platelets or growth factors being made. One option is medication therapy where you give yourself daily injections (called recombinant human erythropoietin) until your symptoms go away.

When things go wrong with your blood circulatory system

Most people know that the circulatory system consists of the heart and blood vessels, but did you know that your circulatory system is responsible for so much more? From delivering oxygen and nutrients to your cells to helping fight off infection, your circulatory system is truly amazing. Unfortunately, things can sometimes go wrong. Here are seven ways your blood circulatory system can fail:

1. A heart attack occurs when the blood supply to the heart is blocked, usually by a clot. This can cause permanent damage to the heart muscle.

2. A stroke happens when the blood supply to the brain is cut off, again usually by a clot. This can lead to paralysis, loss of speech, and even death. 3. Pulmonary embolism happens when clots form in the deep veins of the legs and travel up to the lungs. 

4. Lack of circulation can be caused by trauma or medical conditions such as diabetes or high blood pressure, which restricts circulation in small blood vessels, leading to tissue death if untreated. 

5. Thrombosis is a blockage in an artery caused by a clot that travels from another part of the body where it originated, like cancerous tumor or pregnancy. 6. Varicose veins happen when valves don't work properly, allowing blood to pool in the vein rather than flow back into the heart. 7. Gangrene is also known as necrosis, and happens when there's a lack of oxygen-rich blood reaching tissues because of disease or injury.