NEET PG DENTAL EXAM

HISTOLOGY

BLOOD VESSELS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The walls of capillaries are one-cell thick.
A
True
B
False
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Capillaries have a very thin walls. The main function of capillaries is to transport digested food, oxygen, and other materials to all the cells of the body. Hence, their walls are thin, so that the substances can get in and out of them easily by diffusion.

Detailed explanation-2: -Capillaries are the smallest of blood vessels. Their walls consist of a single layer of endothelial cells and the smallest have a single endothelial cell wrapped around to join with itself. These permit a single red blood cell to pass through them but only by deforming itself.

Detailed explanation-3: -The blood vessels that are only one cell thick are the capillaries. The wall of the arteries is the thickest and the wall of veins is thinner in comparison with arteries but is thicker in comparison with capillaries.

There is 1 question to complete.