Which parts of your body are made of proteins? Check all that apply. A. Muscle

B. Skin, hair, fingernails

C. hormones (chemical messengers)

D. Enzymes like lactase

Skin, hair, fingernails

Explanation:

Excluding water and fat, the human body is made up almost entirely of protein. Protein is the main component of muscles, bones, organs, skin, and nails.

HOPE IT HELPS :)

PLEASE MARK IT THE BRAINLIEST!

"d.) carbon dioxide and hydrogen sulfide"

the answer is d p: cell, q: organ, r: organ system, s: tissue