NEET PG DENTAL EXAM

HISTOLOGY

BLOOD VESSELS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What drains blood from capillaries
A
Veins drain the blood and transfer it to the heart
B
Arteries carry blood away from the heart; the main artery is the aorta ____ Capillaries carry bloodaway from the body and exchange nutrients, waste, and oxygen with tissues at the cellular level. Veins are blood vessels that bring blood back to the heart and drain blood from organs and limbs
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -The aorta (the main artery in your body) carries the blood from the left side of your heart to the rest of your body through many branches of arteries. Capillaries have thin walls that allow oxygen, nutrients, carbon dioxide and waste products to pass through, to and from the tissue cells.

Detailed explanation-2: -The veins in the venous system are designed to drain the majority of the blood against gravity. The veins have one-way valves.

Detailed explanation-3: -Arteries carry blood away from the heart and veins carry blood back to the heart.

There is 1 question to complete.