Hello

Yes physiology is all about physic and chemistry .

Physiology is the study of how the human body works.

It describes the chemistry and physics behind  body functions,  how molecules behave in cells and how organ systems work together .you have to learn all these things in physiology.

According to the classes of other organism the field can be divided into

medical physiology

animal physiology

plant physiology

cell physiology

You can study all of these

i hope this helps you!