A(n) _______ is a substance that helps in the chemical digestion of food.

epiglottis
enzyme
gallbladder
peristalsis

5 answers

A(n) enzyme is a substance that helps in the chemical digestion of food.

The ________ is a small flap of tissue that closes the windpipe when you swallow food to keep you from choking.
epiglottis
enzyme
gallbladder
peristalsis

The epiglottis is a small flap of tissue that closes the windpipe when you swallow food to keep you from choking.

Which of the following organs is where most nutrients are absorbed?
large intestine
esophagus
small intestine
stomach

The organ where most nutrients are absorbed is the small intestine.