Question

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?

Answer 1

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

Step-by-step explanation: