Circulatory System

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by Pablo1999
Last updated 8 years ago

Human Anatomy

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Circulatory System

Your heart is the main organ of your Circulatory System. The heart pumps blood throughout the body. It is made of muscle. But where is your heart? Your heart is located in the center of your chest slightly to the left and it is about the size of your clenched fist. It is divided into top and bottom by the septum and left and right by valves. Chambers at the top are called atriums. Left and Right. Chamber at the bottom are called ventricles. The right side of your heart pumps oxygen-poor blood to the lungs. This known as pulmonary circulation. In the lungs, blood exchange carbon dioxide with oxygen. Then oxygen-rich blood enters the left side of the heart and it is pumped to the rest of your body.

Did you know that without the circulatory system you couldn’t live? Or that it is connected to every part of your body? The Circulatory System is made up by the Heart, Blood Vessels, and Blood. The circulatory system is in charge of transporting nutrients, oxygen, carbon dioxide, hormones, wastes, and more throughout the body. But how does all these things are transported throughout the body? Well, you have a network of blood vessels that would wrap around Earth twice.

Do You Know About Your Circulatory System?

I am your Circulatory System

For more information contact you local server or call us for free 01 800 623 2323.

Blood Vessels connect your heart with all your body. There are three types of blood vessels, arteries, capillaries and veins. Arteries are tubes that carry oxygen-rich blood way from the heart, being the pulmonary artery an exception. Capillaries connect arteries and veins. In these tiny tubes food, oxygen, and wastes are exchanged. Veins are tubes that carry oxygen-poor blood back to the heart, being the pulmonary vein an exception.

Every one of us is in risk of having a circulatory system disorder. A disorder is a disruption of normal physical or mental functions; a disease or abnormal condition. Some examples are angina pectoris, arteriosclerosis, anemia, leukemia, and hypertension. All of these disorders can cause death. So it is really important to know about them. Angina Pectoris happens when the heart doesn’t get enough blood. Arteriosclerosis is the buildup of fats and cholesterols in and on your artery walls, which restrict blood flow. Anemia is a condition in which the body does not have enough healthy red blood cells. Leukemia is a type of cancer that affects the blood and the bone marrow. Hypertension is high blood pressure, that happens when blood is pumped at a higher pressure than normal. If you have any of these problems or think that you have one, please contact your doctor or call 01 800 623 2323.

Blood is made up by four main components, Plasma, Red Blood Cells, White Blood Cells, and Platelets. We have from 3 to 4 liters of blood in our body. Plasma makes 55% of the blood. Plasma is made 92% of water and 8% nutrients, enzymes, wastes and other materials. Red blood cells are very numerous. they have a protein called hemoglobin that carries oxygen and carbon dioxide, to different body parts. Red blood cells are produced in the bone marrow and live up to 120 days. When they mature they lose there nucleus. White blood cells are bigger than red blood cells, but there is one white blood cell for every 700 red blood cells. They can live up to years, they do not lose their nucleus and they are your defense mechanism in your body. Platelets have no nucleus nor color, they last 10 days, but they can save lives. When there is a cut, platelets collect around and release an enzyme that creates fibrin. Fibrin is like a net that traps blood in the cut site, preventing a lot of blood loss.

There are 4 types of blood A, B, AB, and O. Each type of blood has negative and positive (Ex. A+ and A-). Negatives cannot receive from positives, but positives can receive from negatives. O- is the universal donor. AB+ is the universal receiver. If you receive blood that you are not supposed to, your body's antibodies will attack the new blood and make you sick.

Pablo Llaguno7B #14


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