Answer:
A stress ball is an object you can take off your stress. More like something that can help you relax yourself,
Explanation:
ʜᴇᴀᴛ:
So you could feel warm and not freeze to death.
Pᴀɪɴ:
So you get to know if something in your body is wrong.
He should include aerobic excersizes
Always perform a self check. It is typically recommended you do it while in the shower.
B . It is completely normal . However if you are experiencing extreme pain stop and consult your doctor . Also if you are prone to any kind heart disease let someone know where you are when exercising or better yet let them be at your side at all times .