Digestive System Flashcards

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1
Q

What happens in ingestion?
What organs are involved?

A

Food is taken in through the mouth
Mouth

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2
Q

What happens in digestion?
What organs are involved

A

The food is broken down into soluble substances.
Small intestine

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3
Q

What happens in the process of absorption?
What organs are involved?

A

The soluble substances are absorbed into the bloodstream and transported around the body.
Ileum

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4
Q

What happens in the process of assimilation?
What organs are involved?

A

The soluble products of digestion are taken into cells where they are used
Small intestine,every cell in the body

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5
Q

What happens in the process of egestion?
What organs are involved?

A

Removal of waste
Anus

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6
Q

Where does mechanical digestion happen?

A

The mouth and stomach

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7
Q

Where does chemical ingestion happen?

A

The mouth and stomach

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8
Q

What happens during mechanical digestion?

A

Our teeth cut and grind the food into smaller pieces
This increases they surface area
The muscular walks of the stomach churn the food

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9
Q

What happens during chemical digestion?

A

Starts in the mouth and continues to the stomach and small intestine.
It breaks up the large molecules into smaller molecules
Enzymes speed up the chemical reactions and are responsible for chemical digestion\

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10
Q

What happens in the…

mouth

A

Food is chewed
Saliva contains amylase to digest carbohydrates

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11
Q

What happens in the…
Colon

A

Water is absorbed

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12
Q

What happens in the…
Rectum

A

Faeces are stored

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13
Q

What happens in the…
Eosophagus

A

Muscular tube that pushes food as long by peristalsis

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14
Q

What happens in the…
Stomach

A

Mechanical and chemical digestion occurs here
Acid kills the bacteria

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15
Q

What happens in the…
Ileum

A

Absorption occurs. It’s is long, folded and has vili

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16
Q

What happens in the…
Anus

A

Egestion occurs