Digestion

Question 1

What is the function of the mouth?

Answer 1

• site of ingestion
• mechanically digests food using teeth
• begins to chemically digest starch using amylase (in saliva)

Question 2

What is the function of the salivary gland?

Answer 2

• produce saliva (which contains many enzymes for digestion (like amylase))

Question 3

What is the function of the liver?

Answer 3

• produces bile

Question 4

What is the function of the gall bladder?

Answer 4

• stores bile (not necessary)

Question 5

What is amylase

Answer 5

• enzyme
• found in saliva → produced in salivary gland
• breaks down starch into maltose

Question 6

What is bile?

Answer 6

• contains salts to emulsify (break down) fats into smaller droplets
• does NOT change fats chemically, just changes size of fat droplets
• NOT an enzyme
• produced in liver

Question 7

What is the function of the oesophagus (gullet)?

Answer 7

• push food from mouth to stomach using peristaltic waves

Question 8

What is peristalsis

Answer 8

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