Respiratory System Flashcards

1
Q

What pair of organs are required for breathing?

A

Lungs

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2
Q

What structure brings air from the nose/mouth towards the lungs?

A

Trachea

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3
Q

Which structure in the throat contains the voice box?

A

Larynx

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4
Q

Which structure splits to bring air towards both lungs?

A

Bronchi

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5
Q

What name is given to the small branch-like structures that carry air within the lungs?

A

Bronchioles

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6
Q

In which structure does gas exchange take place?

A

Alveoli

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7
Q

The dome shaped muscle that expands the chest cavity

A

Diaphragm

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8
Q

The muscles that expand the ribcage

A

Intercostal

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9
Q

Which gas moves from the alveoli to the bloodstream?

A

Oxygen (O2)

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10
Q

Which gas moves from the bloodstream to the alveoli?

A

Carbon Dioxide (CO2)

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11
Q

What happens to the muscles during inhalation?

A

Contract

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12
Q

What happens to the muscles during exhalation?

A

Relax

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13
Q

Which structure help keep debris and pathogens away from the lungs?

A

Cilia

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14
Q

What are the 4 adaptations of the alveoli?

A

Good Blood Supply, Large Surface Area, Moist, Thin Walls

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15
Q

How do gases move during gas exchange?

A

Diffusion

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