Question

question 37
1 pts
these small protein molecules/chemicals are needed to break down other chemicals to speed up body processes.
enzymes
hormones
saliva

Explanation:

Enzymes are proteins that catalyze chemical reactions in the body, speeding up processes by breaking down other chemicals. Hormones are signaling molecules, and saliva contains enzymes but is not the specific small - protein molecules described.

Answer:

Enzymes