Key Terms Flashcards

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1
Q

Mechanical digestion

A

Physical break down of food
Large to small pieces
Mouth
Churning stomach

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2
Q

Chemical digestion

A

Breakdown of food by enzymes

Large insoluble to small soluble molecules

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3
Q

Ingestion

A

Taking in food

Mouth

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4
Q

Digestion

A

Breakdown of large pieces insoluble

To small soluble pieces

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5
Q

Egestion

A

Removal of undigested food from body

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6
Q

Absorption

A

Products of digestion move across gut wall to blood

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7
Q

Undigested food…

A

Passes through large intestine

Leaves body as faeces

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8
Q

Water is…

A

Reabsorbed in large intestines

Diarrhoea if there is infection

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9
Q

Peristalsis

A

Movement of food through the gut using muscle contraction of gut wall
Often down oesophagus

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