The respiratory system Flashcards

1
Q

Why is oxygen needed?

A

to get energy from food

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2
Q

What happens to the air when we breath through our nose?

A

its filtered, warmed, and moistened

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3
Q

What is the larynx? and where is it located?

A

the voice box and located at the bottom of the pharynx

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4
Q

What is in the larynx?

A

the vocal cords

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5
Q

Where is the trachea located?

A

at the bottom of the larynx

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6
Q

What prevents food from entering the trachea?

A

the epiglottis

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7
Q

What do bronchi do?

A

they carry air to each lung

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8
Q

What does the trachea divide into?

A

Bronchial tubes, (bronchi)

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9
Q

The bronchi divide in to smaller branches that contain what?

A

alveoli

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10
Q

What are capillaries?

A

tiny blood vessels

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11
Q

Where does gas exchange occur?

A

in the alveoli

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12
Q

What’s a diaphragm?

A

a muscle found under the rib cage

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13
Q

When you inhale what happens to the diaphragm?

A

it contracts/flattens

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14
Q

When you exhale what happens to the diaphragm?

A

it relaxes / goes up

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15
Q

The respiratory consists of what 6 things?

A
1- nose
2- pharynx
3- larynx
4- trachea
5- bronchial tubes
6-lungs
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16
Q

What is muscular contraction?

A

breathing

17
Q

When you inhale what happens to the ribs?

A

the muscles between the ribs pull the ribs upwards and outwards

18
Q

What’s the most common disease?

A

A regular cold.

19
Q

What’s a thick mucous when it comes to diseases in the respiratory system?

A

Phlegm

20
Q

What’s asthma?

A

partial blocking of the bronchial tubes

21
Q

What’s bronchitis?

A

inflammation in the bronchial tubes.

22
Q

What are nasal cavities?

A

two chambers located in the nose

23
Q

The trachea contains what type of glands?

A

Mucous glands.

24
Q

What’s diffusion?

A

when particles go from a high concentration to a low concentration.

25
Q

Where are the alveoli located?

A

in the lungs

26
Q

What is venous blood?

A

blood that is filled with CO2

27
Q

What is arterial blood?

A

blood that is filled with O2.

28
Q

The point of respiration is to get what?

A

Energy

29
Q

Name 2 types of fluids.

A

1-gases

2-liquids

30
Q

What’s a compressible fluid?

A

It’s a gas that can be compressed because of the large spaces between the particles.

31
Q

Why wouldn’t you be able to compress a fluid?

A

Because the spaces between the particles are very small

32
Q

When gasses are compressed what changes?

A

the volume