ACSM Personal Trainer

Category - Initial Client Consultation and Assessment

What structure is a muscular - walled vessel that carries blood and eventually becomes smaller in size to become capillaries?
  1. Vein
  2. Arteriole
  3. Atria
  4. Artery
Explanation
Answer: D - Arteries are muscular - walled vessels that carry blood away from the heart and eventually become smaller in size to become arterioles and then capillaries. Oxygenated blood is carried down to the level of capillaries, where it is exchanged with waste matter from tissues.
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