Chapter 2

Question 1

What happens to proteins when a digestive enzyme breaks it down?

Answer 1

Proteins -> amino acids

Question 2

What happens to fats when a digestive enzyme breaks it down?

Answer 2

Fats->fatty acids+glycerol

Question 3

What happens to carbs when a digestive enzyme breaks it down?

Answer 3

Carbs->simple sugars

Question 4

What is the muscular movement in the oesophagus called?

Answer 4

Peristalsis

Question 5

What is chyme?

Answer 5

The smooth liquid formed when the stomach churns food

Question 6

What enzyme changes protein into peptide chains?

Answer 6

Pepsin

Question 7

How are nutrients absorbed into the bloodstream?

Answer 7

Digested food enters the bloodstream through tiny hair-like structures called villi on the inner layer of the intestine

Question 8

Guidelines for healthy digestion

Answer 8

• eat a diet high in fibre
• drinks lots of water
• reduce alcohol consumption
• eat+drink probiotic foods
• visit doctor for digestion problems