HISTOLOGY
BLOOD VESSELS
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
The greatest surface area blood vessel is the
|
|
artery
|
|
|
arteriole
|
|
|
capillary
|
|
|
vein
|
Explanation:
Detailed explanation-1: -Capillaries have the largest total cross-sectional and surface area. Veins are thin-walled blood vessels that return deoxygenated blood to the heart. Sinusoids are substitutes for capillaries in some organs such as the spleen, liver, red bone marrow, etc.
Detailed explanation-2: -Capillaries: Most numerous (1.2 billion). 1, 000 square miles of potential surface area. But have only 4-5% of body’s blood at rest.
Detailed explanation-3: -The nutrients and blood supply reach every part of the cell in the body through the capillaries, so they are intricate and vast. Thus, the capillaries have maximum surface area.
There is 1 question to complete.