Processes involved in human nutrition

Question 1

What is the role of the digestive system?

Answer 1

Breaks down and converts the food we eat into a simpler form that the body can absorb and use

Question 2

Explain how mechanical digestion occurs

Answer 2

The tongue and teeth work together for mastication to occur

Eventually the food is turned into a bolus and moves down the oesophagus where peristalsis occurs

Question 3

Define chemical digestion

Answer 3

The food that is broken down into simplier molecules with the help of enzymes