Science Revision - Breathing Flashcards

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1
Q

Breathing

A

The process of moving air into and out of the lungs.

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2
Q

Gas Exchange

A

Movement of oxygen and carbon dioxide between cells and blood.

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3
Q

Diffusion

A

The movement of a substance from an area of high concentration to an area of low concentration.

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4
Q

Trachea

A

The tube connecting the mouth to the lungs.

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5
Q

Bronchi (Bronchus)

A

The 2 branches from the trachea leading to the 2 lungs.

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6
Q

Bronchiole

A

The branches of the bronchi within the lung leading to the alveoli.

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7
Q

Alveoli (Alveolus)

A

The small sacs at the end of the bronchioles. Gas exchange occurs here.

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8
Q

Cartilage

A

The flexible support material that supports the trachea.

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