Using carbo-loading to increase the store of glycogen seems to benefit only those athletes who engage in aerobic activities that are -
<span>Answer = more than 90 minutes. </span>
The __ circulation disperses oxygen rich blood throughout the body. ____ blood cells bring oxygen to cells and take carbon dioxide away. ___ transfer waste-filled blood from tissues into the pulmonary circulation. The main organ of the respiratory system is the ____.
B. Variation I believe!!
hope this helps :)
Ex-
This situation describes C. Obsessive-Compulsive disorder