![]() This can cause angina or a heart attack, which will require emergency medical attention. The slowing of the blood flow reduces the oxygen and nutrients available to the heart muscles. This process is called atherosclerosis.Ītherosclerosis causes coronary heart disease, also known as ischaemic heart disease. Most CVD occurs when fatty substances, called plaque or atheroma, build up in the lining of blood vessels, causing them to narrow and allow less blood to pass through. What are the common conditions related to the circulatory system? Cardiovascular diseaseĬardiovascular disease (CVD) refers to all diseases of the heart and blood vessels. Now low in oxygen, the blood travels through the veins to return to your heart's right atrium, where the circuit starts all over again. It delivers oxygen and nutrients and removes carbon dioxide and wastes. Along the way, the blood gathers food nutrients from your small intestine.Īs it enters the capillaries, your blood makes close contact with tissues and cells. The left ventricle pumps oxygen-rich blood through your aorta, into your arteries, then to all parts of your body. The oxygen-rich blood returns to your heart's left atrium, then into your left ventricle. ![]() It moves into the right ventricle, which pumps this blood to your lungs where your red blood cells pick up oxygen and get rid of carbon dioxide. How does the circulatory system work?īlood that is low in oxygen collects in your heart's right atrium, one of the heart’s 4 chambers. Illustration showing the circulatory system.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |