Fact 1: Hormones control many cell activities, so they are very important for homeostasis.

Fact 2: Many of the processes of homeostasis are mediated by hormones.

Given the two facts above, answer the question "what does homeostasis mediate?" with the following options: 
- sweating
 - cardiac arrest
 - keeping the dog warm
 - cell activities
 - Plants growth
 - Animal survival
 - reproduction
 - photosynthesis


 

    cell activities     