Question

Which of these are functions of capillaries? (Select all that apply.)

a) absorb oxygen and nutrients
b) surround alveoli
c) deliver blood to all cells
d) carry blood away from the heart

*respiratory&circulatory system exam!

Answer 1

the answer is d. they deliver blood to all cells .

Answer 2

These tiny blood vessels have thin walls. Oxygen and nutrients from the blood can move through the walls and get into organs and tissues. The capillaries also take waste products away from your tissues. Capillaries are where oxygen and nutrients are exchanged for carbon dioxide and waste