Question

a cooldown routine is a period of non - strenuous activity exercising. it helps the body adjust back to a state. cooling off helps reduce your and returns blood to your heart, which gets rid of the in your muscles. breathing after lactic acid cramps pulse rate resting before

Explanation:

1. After exercising, a cooldown routine occurs. So the first blank is "after".
2. The body adjusts back to a normal state after activity, which is the "resting" state.
3. Cooling off affects the "pulse rate" as it slows down.
4. Lactic acid builds up in muscles during exercise, and cooling off helps get rid of it.

Answer:

1. after
2. resting
3. pulse rate
4. lactic acid