NEET PG DENTAL EXAM

HISTOLOGY

BLOOD VESSELS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
All exchange of materials between interstitial fluid and blood occurs at the ____ size of blood vessels.
A
arteriole
B
capillary
C
venule
D
elastic artery
Explanation: 

Detailed explanation-1: -Capillaries are essential for the delivery of oxygen to the tissue and in the exchange of nutrients between blood and interstitial fluid surrounding the cells. This function is well supported by the anatomy of the vessels. The thin walls of the capillaries are composed of a single layer of endothelial cells.

Detailed explanation-2: -Exchange of Gases, Nutrients, and Waste Between Blood and Tissue Occurs in the Capillaries. Capillaries are tiny vessels that branch out from arterioles to form networks around body cells.

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