I believe that they all effect the production of hormones
You should stop and stretch or walk around, just cool off and loosen your muscles. If you are lifting weights and you feel pain, then maybe the weight is to heavy.
Answer:
The most important emotional aspect is that exercising is a very healthy outlet for any anger, sadness etc. that you may be feeling. The most important health benefit of exercising is that It can help with depression and can help prevent or improve many health conditions whether those might be genetic or because of lifestyle choices.
Explanation:
this is only my opinion. this is not what everyone else thinks.