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 diigestion

Question 3

of or relating to nourishment or nutrition

Answer 3

Alimentary

Question 4

these are necessary for most chemical reactions in our bodies

Answer 4

Enzymes