uptake vs bodily function

uptake and bodily function both are nouns.

Word	Noun	Adjective	Verb	Adverb
uptake	Yes	No	No	No
bodily function	Yes	No	No	No

As nouns, bodily function is a hypernym of uptake; that is, bodily function is a word with a broader meaning than uptake:

uptake: the process of taking food into the body through the mouth (as by eating)
bodily function: an organic process that takes place in the body

Other hypernyms of uptake include activity, bodily process, body process.

uptake (noun)	bodily function (noun)
the process of taking food into the body through the mouth (as by eating)	an organic process that takes place in the body
a process of taking up or using up or consuming