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Yr10 Biology > Digestion > Flashcards

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

A

Ileum

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

A

Fibre

25
Q

What happens in the large intestine

A

Water is absorbed

26
Q

What is egestion

A

Removal of undigested material (faeces)

27
Q

What is the wave like movement of material along the digestive system known as

A

Peristalsis

Yr10 Biology (5 decks)

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