Question

question # 14
fill in the blank
fill in the blank.
sweat and on the surface of the skin causes body odor.
question # 15
fill in the blank
fill in the blank.
is a protein found in hair and nails.

Explanation:

For question 14, bacteria on the skin break down sweat components to produce body - odor compounds. For question 15, keratin is a fibrous protein that is a major component of hair and nails.

Answer:

Question #14: Bacteria
Question #15: Keratin