It should be option C that is the closest thing that I can think of,...im sorry if it is wrong
Much like a thermostat regulates the temperature inside your home the hypothalamus regulates your body temperature. (hopefully that'll help a little. all i could find)
Answer:
Well for one photosynthesis gives out oxygen. This makes all animals able to live. So in that way it helps us and the world around us. Without photosynthesis we also could not eat food. No animals could live and no plants ould live. VERY IMPORTANT!
Explanation: