homeostasis and control

Question 1

what is homeostasis?

Answer 1

Homeostasis is about maintaining an optimum internal environment in the body. This needs to happen in response to internal and external changes. Eg
Body temperature
Water content of the blood
Sugar levels in the blood

Question 2

what sort of internal conditions need to be controlled?

Answer 2

The conditions that must be controlled include body temperature, water content, carbon dioxide level and blood sugar level.