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Science 3rd year > The Digestive System > Flashcards

The Digestive System Flashcards

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Biology 101 flashcards
1
Q

What is a system?

A

A system is a group of organs working together

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2
Q

What does digest mean?

A

Digest is to break down large food particles to smaller particles

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3
Q

Why do we need food?

A

Energy
Growth
Repair

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4
Q

What are the 5 steps of digestion?

A 
Ingestion
Digestion
Absorption
Assimilation
Egestion
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5
Q

What are the 4 types of teeth?

A

Incisors
Canines
Premolars
Molars

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6
Q

What is the function of the Incisors?

A

Cut and slice food

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7
Q

What is the function of the Canies?

A

Grip and tear food

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8
Q

What is the function of the Premolars?

A

Chew and grind food

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9
Q

What is the function of the Molars?

A

Chew and grind food

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10
Q

What is Peristalsis?

A

Peristalsis is the muscular movement which pushes the food through the body

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11
Q

What is Amylase?

A

Amylase is an enzyme that breaks starch down to a sugar, maltose

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12
Q

What is an enzyme?

A

An enzyme is a chemical, found in living organism, that speed up the chemical reactions

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13
Q

What are the 9 organs?

A 
Mouth 
Oesophagus
Stomach 
Small intestine 
Large intestine
Salivary glands
Liver
Gall bladder
Pancreas
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14
Q

What is the mouths function?

A

Take in food
Crush food with the teeth
Amylase is added to the food

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15
Q

What is the oesophagus function?

A

Carry food down to the stomach

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16
Q

What is the stomachs function?

A

Churn the food

Add acid to the food

17
Q

What is the small intestines function?

A

Further digestion by enzymes

Absorption of digested food into the blood

18
Q

What is the large intestines function?

A

Water is absorbed into the blood

The waste left is prepare for egestion

19
Q

What is the salivary glands function?

A

Make saliva, which contains an enzyme, amylase, to break starch down to smaller sugars

20
Q

What is the livers function?

A

Produces liquid bile, which helps digest fat

Regulates the amount of each food in the blood

21
Q

What is the gall bladders function?

A

Stores bile from liver until it is needed

22
Q

What is the pancreas function?

A

Makes enzymes to break down food

Science 3rd year (4 decks)

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