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

Question

(1 point)
Responses

epiglottis
epiglottis

enzyme
enzyme

gallbladder
gallbladder

peristalsis

Answer 1

enzyme

Answer 2

The ________ is a small flap of tissue that closes the windpipe when you swallow food to keep you from choking.
(1 point)
Responses

epiglottis
epiglottis

enzyme
enzyme

gallbladder
gallbladder

peristalsis

Answer 3

epiglottis

Answer 4

Which of the following organs is where most nutrients are absorbed?
(1 point)
Responses

large intestine
large intestine

esophagus
esophagus

small intestine
small intestine

stomach

Answer 5

small intestine

Answer 6

The kidneys contains millions of tiny filtering units called
(1 point)
Responses

urine.
urine.

villi.
villi.

peristalsis.
peristalsis.

nephrons.

Answer 7

nephrons

Answer 8

The kidneys have the important job of
(1 point)
Responses

reabsorbing water into the bloodstream.
reabsorbing water into the bloodstream.

filtering the blood to remove wastes.
filtering the blood to remove wastes.

breaking down food mechanically.
breaking down food mechanically.

producing bile to help digest fats.

Answer 9

filtering the blood to remove wastes.

Answer 10

Proteins are made up of substances called
(1 point)
Responses

amino acids.
amino acids.

sugars.
sugars.

carbohydrates.
carbohydrates.

starches.

Answer 11

amino acids