Absorption Of Materials

Question 1

Wavelike motion of the gut wall caused by alternate contraction and relaxation of muscular wall

Answer 1

Peristalsis

Question 2

One of many finger-like projections that increase the absorbing surface of the small intestine

Answer 2

Villus

Question 3

End product of digestion of complex carbohydrates such as starch

Answer 3

Glucose

Question 4

Building blocks of protein and the end products of protein digestion

Answer 4

Amino acids

Question 5

Building blocks of fat molecules and end products of fat digestion

Answer 5

Glycerol and fatty acids

Question 6

Tiny lymph vessel inside a villus that absorbs fatty acids and glycerol

Answer 6

Lacteals

Question 7

Region of gut from which end products of digestion are absorbed into the bloodstream

Answer 7

Small intestine

Question 8

Breakdown of large insoluble particles of food into small soluble particles

Answer 8

Digestion

Question 9

Energy-rich food composed of fatty acids and glycerol

Answer 9

Fats

Question 10

Tough material laid down in incomplete rings that support the trachea

Answer 10

Cartilage

Question 11

Tube connecting the larynx with the bronchi and allowing entry and exit of air to and from the lungs

Answer 11

Trachea

Question 12

Sticky substance secreted by cells lining the trachea that traps dirt and microorganisms

Answer 12

Mucus

Question 13

Hair-like projections on inner surface of the trachea that sweep dirty mucus upwards

Answer 13

Cilia

Question 14

Tiny air sac with a thin lining that allows efficient pas exchange with the bloodstream

Answer 14

Alveolus

Question 15

Branch of the trachea that allows air to enter and leave a lung

Answer 15

Bronchus