Biology 2.1.3 Flashcards

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1
Q

The Digestive System is an example of an…

A

Organ System.

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2
Q

Define ‘Digestion’:

A

Digestion is a Process by which Relatively Large, Insoluble, Molecules in Food are broken down into Smaller, Soluble, Molecules that can be Absorbed into the Bloodstream, & Delivered to Cells in the Body.

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3
Q

Functions of the Mouth/Salivary Glands in the Digestive System: (2)

A

-Teeth Chew Food.

-Amylase Enzymes in Saliva start Digesting Carbohydrates.

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4
Q

Functions of the Oesophagus in the Digestive System: (1)

A

Tube that Connects the Mouth to the Stomach.

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5
Q

Functions of the Stomach in the Digestive System: (3)

A

-Churns Food.

-Hydrochloric Acid Kills Bacteria.

-Protease Enzymes Digest Proteins.

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6
Q

Functions of the Small Intestine in the Digestive System: (1)

A

Absorption of Digested Food Molecules into the Bloodstream.

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7
Q

Functions of the Large Intestine in the Digestive System: (1)

A

Water is Absorbed from the remaining material. Faeces is Produced.

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8
Q

Functions of the Pancreas in the Digestive System: (3)

A

-Amylase.

-Protease.

-Lipase.

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9
Q

Functions of the Liver in the Digestive System: (2)

A

-Produces Bile.

-Produces Urea.

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10
Q

Functions of the Gal Bladder in the Digestive System: (1)

A

Stores Bile to Release into the Duodenum as required.

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