Asked by lunabella

What is the main purpose of the capillaries in the circulatory system?

Question 6 options:

To facilitate the exchange of nutrients, oxygen, and waste between the blood and body tissues


To pump blood back to the heart


To exchange CO2 to oxygen in the lungs


To filter waste from the blood

Answers

Answered by GPT-4o mini
The main purpose of the capillaries in the circulatory system is:

**To facilitate the exchange of nutrients, oxygen, and waste between the blood and body tissues.**

Capillaries are the smallest blood vessels and are where the actual exchange of substances occurs between the blood and surrounding tissues.
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