D. The body will be able to produce the antibodies and memory cells needed to fight disease and recover quickly. Exercise and vitamin C is what creates antibodies and white blood cells that fight diseases. Plus exercise can clear the lungs of any dangerous germs that can cause illness like a cold or flu. And sleeping well and resting would remove any kind of stress one would receive from exercising.
The two differences you see when comparing the four chambers of the heart is that the arteries have a thicker wall and veins have thin walls and that the arteries carry oxygenated blood away from the heart which means they get more pressure than veins.
This squirrel lives in a forest and eats only acorns. <span>The squirrel will starve if it can't find enough food. </span>
Cellular respiration converts carbohydrates into ATP, so first option
Meteoroids are Smaller because they are fragments of a comet, or asteroid
