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Question 5

Blood must first visit the lungs and then supply the body. Which description correctly assigns these destinations to the two sides of the heart?

  1. Both sides empty into one shared body circuit.
  2. The right side supplies the body, and the left side supplies the heart wall only.
  3. The right side sends blood to the body, and the left side sends it to the lungs.
  4. The right side sends blood to the lungs, and the left side sends it to the body.Correct answer

Explanation

The right side sends oxygen-poor blood to the lungs, where gas exchange occurs, and the left side sends oxygen-rich blood into the body circuit. Reversing those destinations would place each side in the wrong circulation.

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Question 5: Blood must first visit the lungs and then supply the body.… · Human Body Systems · Questena