Digestive System

Question 1

the use of chemicals like acids and enzymes to break food down into smaller molecules.

Answer 1

Chemical digestion

Question 2

the use of physical methods like chewing to break food down into smaller pieces.

Answer 2

Mechanical digestion

Question 3

enzymes are necessary for most chemical reactions in our bodies.

Answer 3

Enzymes

Question 4

of or relating to nourishment or nutrition.

Answer 4

Alimentary