Digestive System Flashcards

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1
Q

Ingestion/eating

A

Food is taken in by the body

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2
Q

Digestion

A

Food is broken down

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3
Q

Absorption

A

Digested food passes into the bloodstream

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4
Q

Assimilation

A

Using the food in the cells of the body

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5
Q

Elimination

A

Getting rid of undigested food

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6
Q

Enzymes

A

Enzymes are chemicals that speed up reactions without being used up in the reaction, enzymes act on substrate and breaks it down into a product.
Example: substrate
=starch, enzyme =
Amylase (saliva),
Product = maltose(sugar)

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7
Q

Chemical digestion

A

Most chemical digestion happens in the small intestine.

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8
Q

Bile

A

Bile made in liver to break down fats

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9
Q

Pancreas

A

Makes digestive juices which contain enzymes

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10
Q

Physical digestion

A

Happens in the mouth with the teeth and stomach with the churning.

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11
Q

Mouth

A

Physical and chemical digestion

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12
Q

Oesophagus

A

Brings food from mouth to stomach

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13
Q

Liver

A

Makes bile

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14
Q

Stomach

A

Physical and chemical digestion

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15
Q

Pancreas

A

Makes digestive juices

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16
Q

Small intestine

A

Most chemical digestion

17
Q

Large intestine

A

Water reabsorption

18
Q

Rectum

A

Stores undigested food

19
Q

Anus

A

Undigested food passes out

20
Q

Gall bladder

A

Bile is stored in the gall bladder, from where it is passed into the small intestine.

21
Q

Incisors

A

At the front of the mouth, used for Biting and cutting food, 4 upper and 4 lower

22
Q

Canine

A

One at either side of the incisors,Grasp and tear, 2 upper and 2 lower

23
Q

Pre-molars

A

3 at either side of canine, 6 upper and 6 lower, used for Grinding and crushing food

24
Q

Molars

A

2 at either side of the pre-molars, 2 upper 2 lower, used for Grinding and crushing food

25
Q

Herbivore

A

Only eats plants, very large incisors, large molars and pre-molars to chew grass

26
Q

Carnivore

A

Only eats meat, large canine teeth, use the teeth to catch an tear their prey

27
Q

Omnivore

A

Eats plants and meat, need all of the different teeth