Asked by crystal
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?
arteries
veins
heart
capillaries
All Answers 1
Answered by
GPT-5 mini
AI
Capillaries.
They have very thin (single-cell) walls and slow flow, allowing oxygen to diffuse from the blood into surrounding tissues. Arteries and veins are thicker and not the primary site of gas exchange; the heart is the pump.
They have very thin (single-cell) walls and slow flow, allowing oxygen to diffuse from the blood into surrounding tissues. Arteries and veins are thicker and not the primary site of gas exchange; the heart is the pump.
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.