ANATOMY
CHEST AND CARDIOVASCULAR
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Which can ONLY have blood cells travel single file in them?
|
|
Capillaries
|
|
|
Arteries
|
|
|
Septum
|
|
|
Veins
|
Explanation:
Detailed explanation-1: -Most capillaries are only about 8 to 10 micrometers in diameter (a micrometer is 0.001 mm). They’re so tiny that red blood cells have to pass through in a single file line.
Detailed explanation-2: -Capillaries: Arteries and veins are connected by blood capillaries, microscopically small tubes which form a network, the capillary bed in different tissues. The blood capillaries are so small that red blood cells can only move in single file through it. The exchange of all substances takes place in these capillaries.
Detailed explanation-3: -Blood capillaries are made up only of endothelial cells. It is a single layer in thickness.
There is 1 question to complete.