physiology
Pronunciation:
/ˌfɪziˈɒləd͡ʒi//ˌfɪziˈɑ.lə.d͡ʒi/noun
Definitions
A branch of biology that deals with the functions and activities of life or of living matter (as organs, tissues, or cells) and of the physical and chemical phenomena involved.
The study and description of natural objects; natural science.