Plants release oxygen during the day but not during the night, and oxygen from the air is needed by the body in order to live. Given these facts, what do plants do during the day but not during the night among the following options:
- It helps them survive
 - Help the body to live
 - preventing heat transfer
 - by making heat
 - Generating heat
 - converting electricity to heat
 - Release energy
 - adding heat


 

  Help the body to live       