Biology, asked by harshsharma2012, 1 year ago

state in breif the cycle of blood moment in heart that is towards heart and from the heart with digram.

Answers

Answered by Somin
1
Blood is pumped by heart. Pulmonary vein carry oxygenated blood from lung alveoli to the left auricle of the heart. This blood is then pumped towards the left ventricle right below the left auricle. Then this oxygenated blood is circulated in the whole body through the aorota (largest artery). After the energy is produces in cells veins carry the co2 from different cells of the body towards the right auricle. This deoxygenated blood is then sent to right ventricle and then to pulmonary artery who carry this deoxygenated blood away from heart towards the lungs.
Answered by Anonymous
1
●Systematic circulation by heart and lungs

The heart receives blood in auricles and pumps out blood from the ventricles. From the right ventricle arises a great artery named pulmonary aorta. It divides into two pulmonary arteries which enters the lungs and break up into capillaries around the lung alveoli. Here, the blood takes up oxygen and becomes oxygenated blood from alveolar capillaries to the left auricle. This course of the blood from right ventricle to the left auricle of the heart is called pulmonary circulation

The left ventricle pumps the oxygenated blood into the great artery known as systemic aorta. It gives off arteries to all organs of the body except the lungs. In capillaries, the blood becomes deoxygenated by disturbing oxygen to the tissue cells. The deoxygenated blood from the viceral capillaries is brought to the right auricle by two great veins known as superior and inferior venae cavae. This course of the blood from the left ventricle to the right auricle of the heart via body tissues is called systemic circulation
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