How does regular exercise make us more alert and energetic? it gets our hearts beating faster and gives us a rush of energy. exercise increases our endurance and therefore we feel less tired. during exercise the brain releases endorphins, the chemicals that improve our mood. we breathe in more oxygen while exercising, which us feel more awake

It's C: During exercise the brain releases endorphins, the chemicals that help improve our mood.

Explanation:

answer; /// ( shock.(b) head injuries.(c) drug

answer is b

  a   having low self-esteem

  b   having abusive family members

  c   having poor school attendance

  d   having friends who discuss gang life

living torture and being abused makes one not mind harming other people.

and also not being supported and abusing one turns one into this state.