Chapter 28 - Human Nutrition Flashcards
1
Q
herbivores
A
animals that feed mainly on plants
2
Q
carnivores
A
animals that feed mainly on animals
3
Q
omnivores
A
animals that feed on plants and animals
4
Q
autotrophs
A
make their own food
5
Q
heterotrophs
A
take in food from the environment
6
Q
digestion
A
the physical and chemical breakdown of food
7
Q
egestion
A
removal of unabsorbed waste from the digestive system
8
Q
dental formula
A
2 (I2/2 C1/1 P2/2 M3/3)
9
Q
peristalsis
A
wave of muscular contractions in the walls of the alimentary canal that moves the contents along
10
Q
functions of the liver
A
making bile storing vitamins such as vitamin D converting glucose to glycogen for storage breaking down red blood cells detoxifying the body
11
Q
3 functions of bile
A
to emulsify lipids
to neutralise chyme from the stomach
to excrete pigments made from damaged red blood cells
12
Q
balanced diet
A
contains all the necessary food types in the correct portions