How does the nervous system the body maintain homeostasis apex?

The nervous system controls actions such as breathing, heart rate, urinary and digestive system, and etcetera. These actions are regulated depending on signaling from the endocrine system. For example, an increase in the pH of the blood (acidosis) due to increased carbon dioxide from increased metabolism causes the breathing rate and the heart rate to increase.

No because the eaeht is on a 23.5 degree axis tilt and so when it is winter the northern hemisphere is pointing away from the sun and the soutubern hemisphere is pointing toward the sun

It might. it might because if you think about if they discovered if we came from (lets say something funny like aliens) and thy found cells that matched and they would have t do more research about it but would most probably change their theory.