6.1 Digestion and Absorption Flashcards
1
Q
What makes the food with enzyme move along the gut?
A
contraction of
- circular
- longitudinal
muscle of the small intestine
2
Q
what does the pancreas secrete in the small intestine?
A
enzymes
3
Q
what do enzymes digest?
A
macromolecules -> monomers
4
Q
what do villi do?
A
- absorb
- large surface area
5
Q
what do villi absorb?
A
- monomers formed by digestion
- mineral ions
- vitamins
6
Q
different methods of membrane transport are required …
A
to absorb different nutrients
7
Q
what happens in the small intestine?
A
- digestion of starch
- transport of the products of digestion to the liver
8
Q
dialysis tubing
A
model absoption of digested food in the intestine
9
Q
peristalsis
A
- contraction of longitudinal muscle expanding the lumen for the food to move into
- contraction of circular muscle behind the food propels it forwards
10
Q
digestion
A
break down of large food molecules into smaller molecules
11
Q
absorption
A
uptake of smaller molecules into the blood
12
Q
assimilation
A
substances taken to be used
