Chapter 12: Human Physiology Flashcards
1
Q
digestion
A
-process of breaking down food molecules into smaller molecules
2
Q
absorption
A
-diffusion of smaller particles into the body’s cells
3
Q
vitamins and minerals
A
-small enough to be absorbed without digestion
4
Q
peristalsis
A
-process that pushes along the digestive tract
5
Q
nucleases
A
-hydrolyze nucleic acid
6
Q
lipases
A
-break down fats
7
Q
villi
A
- fingerlike projections that absorb nutrients that were released from digestion
- contain capillaries and lacteal (part of lymphatic system)
8
Q
microvilli
A
-cytoplasmic appendiges that increase the rate of nutrient absorption by the villi
9
Q
egestion
A
-removal of undigested waste
