Alimentary Canal Parts

Question 1

Pharynx

Answer 1

Throat

Tongue pushes food here for swallowing

Question 2

Oesophagus

Answer 2

Carries food from mouth to stomach

Peristalsis occurs

Question 3

Stomach

Answer 3

Mechanical digestion- churns food
Chemical digestion- pepsin breaking down protein
Stores large amounts of food and absorbs some drugs such as alcohol

Question 4

Pyloric sphincter

Answer 4

Band of circular muscle who regulates the flow of chyme from stomach into duodenum of the small intestine

Question 5

Duodenum

Answer 5

Start of small intestine

Chemical digestion occurs

Question 6

Small intestine

Answer 6

Chemical digestion- pancreatic amylase, protease, lipase
Mechanical digestion- bile
Secretes intestinal juice containing enzymes for digestion
Lined with villi for absorption of nutrients
Nutrients absorbed through diffusion and active process

Question 7

Caecum

Answer 7

First part of large intestine

Question 8

Large intestine

Answer 8

Absorption of water through osmosis

Question 9

Rectum

Answer 9

Final part of large intestine where faces are formed

Question 10

Anus

Answer 10

Opening surrounded by anal sphincter where faces are passed to exterior

Question 11

Mouth cavity

Answer 11

Mechanical digestion- chewing of teeth

Chemical digestion- salivary amylase in saliva which works on starch