Answer:
Four day weekend?
Explanation:
How, did u guys go on a short break in school or something?
C) central nervous system
Answer:
Subtract your heart's resting rate from your maximum rate. For example, if you are 40 years old, subtract that number from 220; your maximum rate is 180. Next, subtract your resting rate or 80 in this example. Your heart-rate reserve is 100 beats per minute.
Answer :refjnreij ferno fnrifnrefoeuifone
Explanation: free points ahahahahhahaahahah