WebMar 24, 2024 · The chemicals you inhale when you smoke cause damage to your heart and blood vessels that makes you more likely to develop atherosclerosis, or plaque buildup in the arteries. Any amount of smoking, even occasional smoking, can cause this damage to the heart and blood vessels. Smoking poses an even greater risk for some people, especially … WebMay 13, 2024 · Blood is pumped through the chambers, aided by four heart valves. The valves open and close to let the blood flow in only one direction. Congenital defects may …

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WebAug 25, 2024 · A congenital heart defect develops while a baby is growing in the womb. A congenital heart defect forms as the baby's heart develops, about a month after conception. Congenital heart defects change the … WebYour heart is sort of like a pump, or two pumps in one. It pumps blood around your body. Blood provides your body with the oxygen and nutrients it needs. It also carries away … bishop gear

Anatomy and Circulation of the Heart - WebMD

WebBlood is pumped into the aorta, which carries oxygenated blood around the body. This unidirectional flow of blood through the heart shows that mammals have a double … WebBlood relatively high in oxygen concentration is returned from the pulmonary circuit to the left atrium via the four pulmonary veins. From the left atrium, blood moves into the left ventricle, which pumps blood into the aorta. The aorta and its branches—the systemic arteries—send blood to virtually every organ of the body. Figure 2. WebCoronary arteries supply blood to the heart muscle. Like all other tissues in the body, the heart muscle needs oxygen-rich blood to function. Also, oxygen-depleted blood must be carried away. The coronary arteries wrap around the outside of the heart. Small branches dive into the heart muscle to bring it blood. dark is the night english lyrics