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JAMB Biology 1984 Question 37

Question 37

Transport in Animals

Normally the flow of blood is NEVER from

  1. A.artery to arterioles
  2. B.arterioles to capillaries
  3. C.capillaries to venules
  4. D.arterioles to the artery
  5. E.venules to the vein.
Show the answer and explanation

Answer: D (arterioles to the artery)

Explanation

Blood flows from arteries to arterioles, capillaries, venules and then veins. Flow from arterioles back into an artery would be in the wrong direction.