cells need oxygen to make energy. oxygen - rich blood is transported to tissues. when the oxygen is dropped…

cells need oxygen to make energy. oxygen - rich blood is transported to tissues. when the oxygen is dropped off, it needs to move through structures that are small and thin. which vessels allow for oxygen movement into the tissues?\narteries\nveins\nheart\ncapillaries

cells need oxygen to make energy. oxygen - rich blood is transported to tissues. when the oxygen is dropped off, it needs to move through structures that are small and thin. which vessels allow for oxygen movement into the tissues?\narteries\nveins\nheart\ncapillaries

Answer

Answer:

D. capillaries

Brief Explanation:

Capillaries are small and thin, enabling oxygen - tissue exchange. Arteries carry blood away from heart, veins return blood to heart, and heart is a pump, not for oxygen movement into tissues.