A(n) ________ is a substance that helps in the chemical digestion of food.
A. Epiglottis
B. Enzyme
C. Gallbladder
D. Peristalsis
1.) B
2.) A
3.) C
4.) D
5). B
6.) A
7.) A
hope this helps
The answers are:
1. Enzyme
2. Epiglottis
3. Small intestine
4. Nephrons
5. Filtering the blood to remove wastes
6. Amino acids
7. Protein
No. A gallbladder is not a substance at all!!
Look up those terms here. http://www.google.com
Let us know what you learn. And no guessing!