Digestion Flashcards

1
Q

What is the name given to the process of taking food into the mouth

A

Ingestion

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2
Q

How many permanent teeth does an adult have

A

32

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3
Q

What is the name given to the teeth that are used for cutting and biting

A

Incisors

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4
Q

What is the name given to teeth that are used to grip and tear food

A

Canine

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5
Q

What is the name of the teeth that crush soft food

A

Pre molar

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6
Q

What is the name given to the teeth that crush hard food

A

Molar

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7
Q

What is the hard outer part of the tooth called

A

Enamel

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8
Q

What is the part of the tooth called that sits above the gum and you can see

A

The crown

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9
Q

What holds the tooth in the gums and is not visible to us

A

The roots

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10
Q

What is the part of the tooth that contains all the nerves and blood vessels

A

Pulp cavity

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11
Q

What is the function of the molar teeth

A

Crush and grind hard food

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12
Q

What is the function of the incisors

A

Cut and bite food

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13
Q

What should you do to look after your teeth

A

Brush them 2 times a day
Floss
Visit dentist twice a year
Use toothpaste with fluoride

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14
Q

What is the purpose of the saliva in our mouth

A

To moisten food so easier to swallow
To start the digestion of starch to sugar

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15
Q

What is digestion

A

Breaking down of large insoluble molecules to small soluble molecules

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16
Q

What is the test for starch

A

Add iodine
Turns from yellow brown to blue black if starch is present

17
Q

What is the test for sugar

A

Add Benedict’s and heat in water bath
If sugar present turns from blue to brick red precipitate

18
Q

What happens to saliva if it is boiled

A

It can no longer break down the starch to sugar

19
Q

What is the purpose of the acid in the stomach

A

To kill bacteria
to help digest food especially allow protein enzymes to work in stomach

20
Q

What happens in the duodenum (start of small intestine)

A

All food is digested by enzymes

21
Q

What happens in the ileum

A

Food passes into the blood

22
Q

Where in the body are villi found

23
Q

What is the job of the villi

A

Increase the surface area to allow absorption of food

24
Q

What food group will end up in the large intestine

25
What happens in the large intestine
Water is absorbed
26
What is egestion
Removal of undigested material (faeces)
27
What is the wave like movement of material along the digestive system known as
Peristalsis