The Alimentary Canal

Question 1

Mouth

Answer 1

1) Contain salivary glands
2) Produce amylase enzyme
3) Break down food

Question 2

Oesophagus

Answer 2

The muscular tube that connects the mouth and the stomach

Question 3

Liver

Answer 3

Where bile is produced

Question 4

Gall Bladder

Answer 4

Where bile is stored

Question 5

Large intestine

Answer 5

1) Also called the colon

2) Where excess water from food is absorbed

Question 6

Rectum

Answer 6

1) The last part of the large intestine

2) Where faeces are stored before they are expelled out of the anus

Question 7

Stomach

Answer 7

1) Pummels food with its muscular walls
2) Produces the protease enzyme, pepsin
3) Produces hydrochloric acid to kill bacteria and give optimum pH levels for enzymes to work

Question 8

Pancreas

Answer 8

Produces protease, amylase and lipase enzymes and releases them into the small intestine

Question 9

Small intestine

Answer 9

1) Produces protease, amylase, and lipase for complex digestion
2) Where nutrients are absorbed

Question 10

2 parts of the small intestine

Answer 10

The first part is the duodenum and the last part is the ileum

Question 11

Villi adaptations for absorption

Answer 11

1) They have a large surface area to maximize the rate of glucose absorption
2) The have many small microvilli which further increase total surface area
3) They have a rich supply of capillaries
4) Have single permeable layer of surface cells which allow glucose to pass through them
5) The small intestine is very long, so there is lots of time to break down and absorb all the food before it reaches the end