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Biology > Breathing > Flashcards

Breathing Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

What does breathing involve

A

Inhalation = taking it into the lungs
Exhalation = the removal of air from lungs
Brings oxygen and Carbon dioxide out 

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2
Q

What is ventilation

A

Breathing (muscular movements which keep the respiratory surface supplied with oxygen)

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3
Q

What is gas exchange

A

Exchange of gases across a respiratory surface

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4
Q

What is the epiglottis

A

Flat that closes the windpipe whilst eating and helps you swallow 

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5
Q

What is the larynx

A

Voice box

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6
Q

What is the alveoli

A

Sacs in your lungs that take up the oxygen you breathe in. Where the lungs and blood exchange oxygen and carbon dioxide

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7
Q

What is the trachea

A

Windpipe

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8
Q

What is the diaphragm

A

Muscle that helps you inhale and exhale

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9
Q

What are the bronchiole

A

Branches of the air tubes

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10
Q

What is the bronchus

A

Away from the trachea to the lungs

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11
Q

What are plural membranes

A

Outside lining of the lungs and the inside lining of the thoracic cavity

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12
Q

What is plural fluid

A

Fluid inside the thoracic cavity

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13
Q

What are intercostal muscles

A

Form the chest wall

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14
Q

How does the air get to the alveoli

A

There is inhaled goes down the trachea from the nose to the bronchi down the bronchioles to the alveoli

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15
Q

What is cilia

A

Microscopic hairs that move mucus upwards to be swallowed

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16
Q

What is mucus

A

Produced by goblet cells which trap the bacteria

17
Q

What does the nose do

A

It’s filters for air because at the atmosphere is full of pollutants passes over the most mucus membranes to moistens the air and it warms the air as it flows over the warm blood capillaries 

18
Q

What are the trachea and bronchi lined with

A

Ciliated epithelium

19
Q

What is inhalation

A

Lungs expand, diaphragm contracts and flattens, ribs pulled outwards by intercostal muscles, volume increases and pressure decreases, lungs inflate

20
Q

What is exhalation

A

Lungs deflate, diaphragm relaxes and becomes convex, ribs pulled inwards by intercostal muscles, volume decreases and pressure increases

Biology (12 decks)

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