Help.. The energy in food is measured in units called Calories.
a. true
b. false
17
If you eat more food than your body uses, you will lose weight.
a. true
b. false
18
Carbohydrates are used primarily to build and repair body parts.
a. true
b. false
19
Ptyalin aids in mechanical digestion.
a. true
b. false
20
Muscles in the walls of the esophagus help bring food from the
mouth to the stomach by peristalsis.
a. true
b. false