Question

what is pulmonary circulation and systemic circulation

Answer 1

Blood flows twice in the heart before completing one full round. For this reason, the blood circulation in the human body is also called double circulation.

1) Pulmonary circulation: It pertains to the lungs. It starts in the pulmonary artery arising from the right ventricle which soon divides into two branches that enter the respective lungs. Pulmonary veins collect the oxygen from the heart and carry it back to the left auricle of the heart.

2) Systemic circulation: It pertains to the major circulation in the body. It starts with the aorta that arises from the left ventricle. The aorta arches back and continues as aorta. The aorta send arteries to various body parts and their tissues. From there the blood is collected by veins and poured back into the heart.

Answer 2

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The part of the circulatory system which carries oxygenated blood from the heart to the body and deoxygenated blood from the body back to the heart is called systemic circulation.

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The part of the cardiovascular system which carries deoxygenated blood from the heart to the lungs and oxygenated blood from the lungs to the heart is called pulmonary circulation.

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