digestive system Flashcards
1
Q
physical digestion
A
a physical breakdown of food into smaller pieces to increase surface area
2
Q
chemical digestion
A
breakdown of food particles, hydrolysis of large molecules into smaller, usable molecules using enzymes
3
Q
peristalsis
A
involuntary wave-like muscle contractions that move food through the esophagus, mouth to stomach
4
Q
liver
A
produces bile
5
Q
bile
A
contains bile salts which emulsify fats
6
Q
gallbladder
A
stores bile
7
Q
what substance is produced by the pancreas
A
insulin which controls blood glucose levels
8
Q
where does nutrient absorption occur
A
the villi lining the small intestine
