23. To explore why exercise benefits the brain, we need to first consider which aspects of brain structure and cognition seem most ________ to it. (A) responsible (B) responsive (C) repulsive (D) resistant

19. Physical activity improves the function of many organ systems in the body, but the effects are usually linked to better athletic performance. For example, when you walk or run, your muscles demand more oxygen, and over time your cardiovascular system responds by building new blood ______. (A) vessels (B) streams (C) circulars (D) pressures

23. To explore why exercise benefits the brain, we need to first consider which aspects of brain structure and cognition seem most ________ to it. (A) responsible (B) responsive (C) repulsive (D) resistant

其他試題

23. To explore why exercise benefits the brain, we need to first consider which aspects of brain structure and cognition seem most ________ to it.
(A) responsible
(B) responsive
(C) repulsive
(D) resistant