Human Nutrition

Question 1

bolus

Answer 1

a ball-like mixture of food and saliva tha

Question 2

exocrine gland

Answer 2

a gland that uses ducts to drain and transport secretions or
chemicals out of the body or onto body surfaces

Question 3

bile

Answer 3

is a fluid produced by the liver, and stored in the gall
bladder, that aids the digestion of lipids in the small
intestine

Question 4

endocrine gland

Answer 4

an organ that secretes hormones directly into the blood
stream or lymphatic system instead of through ducts

Question 5

peristalsis

Answer 5

an automatic wave of muscle contraction and relaxation
that moves food in one direction through the digestive tract

Question 6

chyme

Answer 6

a semi-liquid mass of partially digested food which has
gone through mechanical and chemical digestive
processes while passing through the stomach into the
duodenum

Question 7

villus (pl. villi)

Answer 7

tiny finger-like projections lining the wall of the small
intestine and increasing the surface area for food
absorption

Question 8

ingestion

Answer 8

intake of food

Question 9

digestion

Answer 9

physical and chemical breakdown of food into its simplest
form

Question 10

absorption

Answer 10

the products of digestion diffuse into the blood stream

Question 11

assimilation

Answer 11

nutrients such as amino acids are incorporated into the
cells

Question 12

egestion/defecation

Answer 12

the removal of undigested and unabsorbed waste from the
body through the anus in the form of faeces