試題詳解

34. Which one of the following statements is NOT true for the human circulation system?
(A) The lymphatic system returns fluid that leaks out from the capillary beds.
(B) Precapillary sphincters that control flow of blood between arterioles and venules.
(C)Blood flows through only 5-10% of the body's capillaries at any given time.
(D) The lymphatic system drains into capillaries in the neck.