physiologist

/ˌfɪziˈɑlədʒɪst/
noun
  1. A scientist who studies how the bodies of living things work, including organs, cells, and chemical processes.
    • A plant physiologist studies how trees absorb water and nutrients.
    • The research team included a physiologist who specialized in human sleep patterns.
    • The physiologist explained how exercise strengthens the heart.
Synonyms