Hello Ketan,

Physiology is the scientific study of functions and mechanisms which work within a living system.

It is a sub branch of Biology which studies that how the organisms, organ systems, cells and bio molecules carry out their various physical as well as chemical functions that exists in a living being.

Physiology is the mother branch of various disciplines like Biochemistry, Biophysics, General physiology and molecular biology. The areas of study in Physiology are Metabolism, Transport, Information Transfer, regulation in the body.

Best Wishes.