Name: Human Respiratory System
Uploaded: 2019-07-19
Duration: 4 min 39 s
Description: Fishes need gills for respiration, while frogs have skin as one of their respiratory organs. Check out this video for details about the respiratory organs in humans.

Question

How are the functions of arteries, veins and capillaries are interrelated in the circulation of blood?

Accepted Answer

Arteries: Arteries carry blood away from the heart to various organs of the body. On reaching an organ or tissue, the artery divides into smaller and smaller vessels to bring the blood in contact with all the individual cells.
Capillaries: Exchange of material between the blood and surrounding takes place across the thin wall of the smallest vessels, the capillaries. The capillaries then join together to form veins.
Veins: Veins convey the blood away from the organ or tissue. Veins collect the blood from different organs and bring it back to the heart.

How are the functions of arteries, veins and capillaries are interrelated in the circulation of blood?

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