Human Nutrition

Question 1

herbivores

Answer 1

animals that feed on mainly plants i.e cattle

Question 2

carnivores

Answer 2

animals that mainly feed on animals i.e dogs

Question 3

omnivores

Answer 3

animals that feed on plants and animals i.e humans

Question 4

digestion

Answer 4

the physical and chemical breakdown of food

Question 5

peristalsis

Answer 5

the wave of muscular action in the walls of the alimentary canal that moves the contents along

Question 5

chemical digestion

Answer 5

the breakdown of food by enzymes

Question 5

mechanical digestion

Answer 5

the breakdown of food into smaller particles using teeth and muscular action

Question 6

egestion

Answer 6

the removal of undigested waste (faeces) through anus

Question 6

absorption

Answer 6

digested food (glucose, amino acids, fatty acids and glycerol) are absorbed into the bloodstream

Question 7

villi

Answer 7

finger like projections located in the small intestine that contain lacteals (lymph capillaries) that absorb fatty acids and glycerol and blood capillaries absorb nutrients

Question 8

autotrophic nutrition

Answer 8

when organisms make their own food

Question 9

heterotrophic nutrition

Answer 9

organism cant make its own food