Physiology
WordNet
noun
(1) Processes and functions of an organism
(2) The branch of the biological sciences dealing with the functioning of organisms
WiktionaryText
Etymology
From < < < + .
Noun
- 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.