The Digestion System Flashcards

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0
Q

What are the four types of teeth and their use

A

Incisors- to cut and bite food
Canines- grip and tear food
Pre molars- crush and grind food
Molars- crush and grind food

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1
Q

What does the mouth do?

A

It takes in and digests the food, two types of digestion happen here. Physical and chemical.

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2
Q

What does the oesophagus do

A

Pushes food down to the stomach by waves of muscular action

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3
Q

What does the stomach do

A

Stores food for four to six hours. Hydrochloric acid kills bacteria in the stomach . Both physical and chemical digestion occur in the stomach.

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4
Q

What does the small intestine do?

A

The breakdown of the food finishes here. The small pieces of digested food pass into the bloodstream- absorption

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5
Q

What does the large intestine do?

A

The un-digested waste goes into the large intestine. The large intestine takes the water out of the waste and back into the body. A semi solid waste called faeses is made. It leaves the body through the anus

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6
Q

What does the liver do

A

The liver produces bile which break down fat. The bile goes into the small, intestine

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7
Q

What does the pancreas do?

A

It produces enzymes, the enzymes enter the small intestine to help digest food

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8
Q

Name an enzyme

A

Salivary Amylase

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8
Q

What is the substance that Salivary Amylase works on

A

Starch

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8
Q

What is the product due to the action of Salivary Amylase

A

Maltose

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9
Q

Give the five main stages of digestion

A
Eating
Digestion
Absorption
Food is used by the body
Undigested food is passed out of the body
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10
Q

Explain digestion and why we need to digest food

A

The breakdown of food

We need to digest food so it can be absorbed into our bloodstream in the small intestine

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