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