Why do capillaries need to be thin walled? a .so only a few nutrients can pass through b. so only a small amount of blood can flow through c. so they can go through the small spaces within the body d. so the exchange of gases and nutrients can happen

When a person is exercising the body needs to deliver increased amounts of oxygen to the muscles which component of blood ensures that the muscles will receive it

Can bacteria reproduce in a way such that when you start out with two bacteria, you get five bacteria? why or why not? * a. yes, because bacteria reproduce sexually, and can produce any number of offspring, just as humans do. b. no, because bacteria grow at an exponential rate. c. no, because when bacteria reproduce, they split into two parts, and two bacteria splitting would result in four bacteria.

What is the one part of the nucleotide  that differs among the other different nucle  tides?