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Science 2nd Year > The Digestive System > Flashcards

The Digestive System Flashcards

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Biology 101 flashcards
1
Q

What are enzymes?

A

Biological catalysts

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2
Q

What are the two types of digestion?

A
  • Physical

- Chemical

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3
Q

What is physical digestion?

A

Where the food is broken down by teeth and the churning action of the muscles in the digestive system

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4
Q

What is Chemical digestion?

A

Where the food is broken down by enzymes

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5
Q

What is a substrate?

A

The substance on which the enzyme acts

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6
Q

What is a product?

A

The substance that is formed as a result of the reaction

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7
Q

What are the stages of digestion?

A
  • Eating
  • Digestion
  • Absorption
  • Getting rid of undigested waste
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8
Q

What is eating?

A

The taking in of food

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9
Q

What is absorption?

A

The digested food is taken into the blood stream and carried to the cells

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10
Q

What is in the digestive system?

A
  • Mouth
  • Oesophagus
  • Stomach
  • Small intestine
  • Large intestine
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11
Q

What is the function of the mouth?

A
  • Physical digestion by teeth

- Chemical digestion by enzymes

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12
Q

What is the function of the Oesophagus?

A

Carries food from the mouth to the stomach

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13
Q

What is the function of the stomach?

A

Food mixes with digestive enzymes and is churned

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14
Q

What is the function of the liver?

A

Produces bile

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15
Q

What is the function of the pancreas?

A

Produced digestive enzymes

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16
Q

What is the function of the small intestine?

A

Digested food is absorbed into the blood stream

17
Q

What is the function of the large intestine?

A

Takes water back into the blood stream

18
Q

What are the types of teeth?

A

Incisor
Canine
Pre-molar
Molar

19
Q

What is the function of the incisor?

A

Cutting and biting

20
Q

What is the function of the canine?

A

Tearing

21
Q

What is the function of the molar and pre-molar?

A

Crushing and grinding food

22
Q

What is digestion?

A

The breakdown of large insoluble substances into smaller soluble substances

Science 2nd Year (18 decks)

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