Intermolecular hydrogen bonds
The human race may survive through survival of the fittest. basically whoever has the biggest stick wins! The body also could adapt to the lack of water so you could preserve your bodily resources and manage them better. Or you could just change the environment to benefit yourself and mankind!
I think it's D. It shields life forms on the surface from radiation?
Answer:
Mitochondria
Explanation:
its the powerhouse of the cell ;)
just messing with you. But in reality, the mitochondria converts food to energy in the cell.
During exercise there is an increase in physical activity and muscle cells respire more than they do when the body is at rest. The heart rate increases during exercise. The rate and depth of breathing increases - this makes sure that more oxygen is absorbed into the blood, and more carbon dioxide is removed from it.
