5.5 THE LUNGS & GAS EXCHANGE Flashcards

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1
Q

What are the functions of mouth and nose?

A

Makes the air warm and the hairs and mucus in the nose trap microorganisms

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2
Q

What are the functions of trachea?

A

The tube carrying air from nose down into your chest and has rubbery cartilage rings around it.

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3
Q

What are the functions of bronchus?

A

Tube branches from trachea that carries air deep into lung tissue and has ciliated cells lining it that removes dust and harmful microorganisms from the air.

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4
Q

What are the functions of alveolus?

A

Tiny air sacs at the end of the tubes adapted for gas exchange.

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5
Q

What are the functions of pleura?

A

Slippery membranes that surround the lungs and make it easier to breathe.

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6
Q

What are the functions of diaphragm?

A

A sheet of muscle that divides the chest from other organs and helps move air in and out of the lungs when you breathe.

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7
Q

The oxygen needed by the cells for aerobic respiration is brought into your body by the _______________

A

respiratory system

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8
Q

Respiratory system removes the ___________ produced during respiration.

A

carbon dioxide

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9
Q

_____ is moved in and out of your lungs.

A

Air

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10
Q

Where does gas exchange take place?

A

The lungs

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11
Q

Your body exchanges _____ from the air for _________ from your blood

A

oxygen ; carbon dioxide

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