PHYSIOLOGY
CARDIOVASCULAR PHYSIOLOGY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
Carry blood away from the heart
|
|
|
Carry blood back to the heart
|
|
|
Carry blood to the lungs
|
|
|
Allows the exchanges of gases, nutrients and wastes between blood and the tissues
|
Detailed explanation-1: -Capillaries are so small that blood cells can only move through them one at a time. Oxygen and food nutrients pass from these capillaries to the cells. Capillaries are also connected to veins, so wastes from the cells can be transferred to the blood.
Detailed explanation-2: -Exchange of Gases, Nutrients, and Waste Between Blood and Tissue Occurs in the Capillaries.
Detailed explanation-3: -Capillaries are where fluids, gasses, nutrients, and wastes are exchanged between the blood and body tissues by diffusion. Capillary walls contain small pores that allow certain substances to pass into and out of the blood vessel.
Detailed explanation-4: -Capillaries-these are the sites of gas exchange between the tissues.