When a person is exercising, their heart rate will increase to send more blood (containing oxygen) to the muscles working in the body. After a person stops exercising, their heart rate will decrease to the normal rate. For people who exercise regularly, their heart rate will drop quickly, but for people who do not regularly exercise, their heart rate will stay elevated for a longer than normal time. Which reason below best explains this?

The most obvious examples are the increases in heart rate, blood pressure, and ... much oxygen gets from the air to the exercising muscles (146) via blood flow ... of the oxygen consumed in a resting human is used by the brain, heart, liver, ... With intense aerobic exercise training, many healthy young men

Explanation:

primary succession begins with a bare rock and ends with a forest secondary succession begins after a natural disaster where there is a temporary setback after a forest fire or local destruction, but the surrounding area can fill in

hey bro i looked it up on google the structure of the eye-spot in euglena viridie, e. ehrenbergii, and phacus pyriyorme is not as franzé haa described it. the so-called “crystal body” and “lens bodies” were not found in any of the individuals of the species examined by me. as earlier observers have stated, the eye-spot consists simply of a mass of pigment granules arranged in a single layer, and probably embedded in a protoplasmic framework, but the latter could not be seen, and its presence was only inferred from the fact that the pigment granules must be held together in some way, thd the eye-spot as a whole is capable of expansion, and that the pigment granules can be separated from each other.

hope this   and an i get brainlsiest