WebMay 14, 2024 · From the heart to the lungs The right ventricle pumps the blood under low pressure through the pulmonary valve into the pulmonary artery. From there the blood goes to the lungs where it gets fresh oxygen (C). From the lungs to the heart After the blood is refreshed with oxygen, it's bright red. 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.

How the Normal Heart Works Children

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 … WebIt begins near the heart and travels under the clavicle bone toward the shoulder. It gives off several small branches before continuing on as the axillary artery. Axillary Artery Blood travels from the heart into the … greed in other words

How Smoking Affects the Heart and Blood Vessels

WebIn the lungs, the blood picks up oxygen and expels carbon dioxide. Reoxygenated blood (red blood) leaving the lungs enters the heart through the pulmonary veins and is carried into … 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 … WebJan 17, 2024 · The heart contains four chambers, two atria and two ventricles. The blood that is returned to the right atrium is deoxygenated and s passed into the right ventricle to be pumped through the pulmonary artery to the lungs … greed in my heart