What is the systemic circulation Class 10?

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Detailed Solution

Systemic Circulation is the part of the circulatory system responsible for carrying oxygen-rich blood from the heart to the body and returning deoxygenated blood back to the heart. It ensures that all body tissues receive the necessary oxygen and nutrients while also collecting waste products like carbon dioxide.

Detailed Explanation:

Key Features of Systemic Circulation:

Oxygenated Blood Delivery:- Oxygenated blood is pumped from the left ventricle of the heart into the aorta, the body's largest artery.
Blood Distribution:- The aorta branches into smaller arteries, which further divide into arterioles and eventually into capillaries, where exchanges take place.
Nutrient and Waste Exchange:- At the capillary level, oxygen and nutrients are exchanged for carbon dioxide and other waste products, which are then carried away.
Deoxygenated Blood Return:- Deoxygenated blood is collected by venules, which merge into veins that carry the blood back to the heart, specifically into the right atrium.
Major Vessels:- The key vessels involved in systemic circulation are the aorta, arteries, arterioles, capillaries, venules, veins, and the superior and inferior vena cava.