An blank is a substance that helps in the chemical digestion of food

Epiglottis
Enzymes ****
Gallbladder
Peristalsis
2.the blank is a small flap of tissue that closes the windpipe when you swallow food to keep you from choking
Epiglottis****
Enzymes
Gallbladder
Peristalsis

4 answers

Number 1 right 2 I'm not sheer about
Both are correct.
Please choose ONE screen name and stick with it. Switching screen names all the time is pointless.
^ FACCS