Although it is less efficient than aerobic respiration fermentation is an important process often occurring during periods of lengthy exercise. How might an athlete know if his body is using this process to produce the energy needed during exercise?

Many animals cannot sweat to maintain a stable body temperature. what is one other way animals can cool down?

Compare and contrast region e in the illustration above with region d. describe the physical characteristics of each region.

There is a liquid capsule inside a cup full of liquid. the cup full of liquid has salt in it and the liquid capsule has no salt in it. in which direction will the solvent flow? a. the salt does not have to move b. from the capsule to the larger cup c. equally between the capsule and the cup d. from the larger cup to the capsule