Which blood vessels are the primary site of exchange of gases, nutrients, and wastes between blood and tissues?
Correct answer: D. Capillaries
- A. Arteries
- B. Arterioles
- C. Venules
- D. Capillaries
Explanation
Capillaries have thin walls that permit diffusion and filtration between blood and surrounding tissues. Arteries and arterioles mainly distribute blood, while venules collect blood after exchange has occurred.
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About Veterinary Anatomy and Physiology
Covers the gross and microscopic structure of domestic animals, including bones, joints, muscles, organs, blood vessels and nerves. It explains how the respiratory, cardiovascular, digestive, urinary, nervous, endocrine and reproductive systems function, with attention to species differences and the relationship between anatomical structure and physiological processes.
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