Question

which of the following is a root that means to breathe? multiple choice epi- micro- respir- endo- pneum-

Explanation:

The prefix "respir -" is related to breathing, as seen in words like "respiration". "Epi -" means on, upon, or outer; "micro -" means small; "endo -" means within; "pneum -" is related to air or the lungs but not directly "to breathe" in the same sense as "respir -".

Answer:

C. respir-