Key Terms Flashcards
1
Q
Mechanical digestion
A
Physical break down of food
Large to small pieces
Mouth
Churning stomach
2
Q
Chemical digestion
A
Breakdown of food by enzymes
Large insoluble to small soluble molecules
3
Q
Ingestion
A
Taking in food
Mouth
4
Q
Digestion
A
Breakdown of large pieces insoluble
To small soluble pieces
5
Q
Egestion
A
Removal of undigested food from body
6
Q
Absorption
A
Products of digestion move across gut wall to blood
7
Q
Undigested food…
A
Passes through large intestine
Leaves body as faeces
8
Q
Water is…
A
Reabsorbed in large intestines
Diarrhoea if there is infection
9
Q
Peristalsis
A
Movement of food through the gut using muscle contraction of gut wall
Often down oesophagus
