physiology vs reflex

physiology and reflex both are nouns.

Word	Noun	Adjective	Verb	Adverb
physiology	Yes	No	No	No
reflex	Yes	Yes	No	No

physiology (noun)	reflex (noun)
processes and functions of an organism	an automatic instinctive unlearned reaction to a stimulus
the branch of the biological sciences dealing with the functioning of organisms

physiology (adjective)	reflex (adjective)
	without volition or conscious control