6.1 Digestion and Absorption

Question 1

Mouth

Answer 1

ingestion and chewing; mechanical digestion of food by chewing and mixing with saliva, which contains lubricants and enzymes that start starch digestion

Question 2

Esophagus

Answer 2

swallowing; movement of food by peristalsis from mouth to stomach

Question 3

Gall bladder

Answer 3

stores bile; storage and regulated release of bile

Question 4

Liver

Answer 4

secretes bile; secretion of surfactants in bile to break up lipid droplets

Question 5

Stomach

Answer 5

killing pathogens in food and protein digestion

Question 6

Pancreas

Answer 6

secretes digestive enzymes - lipase, amylase, endopeptidase

Question 7

Small intestine

Answer 7

digestion and absorption; final digestion of nutrients, neutralise stomach acid & absorption of nutrients

Question 8

Large intestine

Answer 8

absorption of water; reabsorption of water, further digestion especially of carbohydrates by symbiotic bacteria & formation and storage of feces

Question 9

Anus

Answer 9

egestion of feces