Question

Diagrammatic representation of heart and its functions

Answer 1

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Functions of heart :


Our Heart is about the size of a fist divided into four chambers namely two ventricles and two atria, as discussed above.
✔There are one ventricle and one atrium on the left side and the other atrium and ventricle towards the right side.
✔The ventricles are the chambers that pump blood and atria are the chambers that receive blood.
✔The deoxygenated blood received to right atrium from:
The superior vena cava is released into the veins of the upper arms and organs.
✔The inferior vena cava that leaves blood from the veins of legs and lower organs.
✔The coronary sinus, that leaves deoxygenated blood from the heart.
The right ventricle pumps the blood to the lungs for re-oxygenation when it gets filled up by the pulmonary arteries.
✔The right semilunar valves close and prevents the blood from the pulmonary veins after blood passes through the pulmonary arteries.
✔Then the oxygenated blood is received by the left atrium from the lungs via pulmonary veins.

Hope it helps you!