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Science > Respiratory System Quiz > Flashcards

Respiratory System Quiz Flashcards

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1
Q

What is the Respiratory System made up of?

A

The organ system made up of the nose, mouth, trachea, bronchi, and lungs.

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2
Q

What are the main functions of the Respiratory System?

A

Provides oxygen for the body and allows carbon dioxide to leave the body.

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3
Q

How many times do we breathe in and out per minute?

A

On average, 15 times.

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4
Q

How much air does an average person move in and out of the lungs daily?

A

More than 10,000 liters.

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5
Q

What are the components of the Respiratory System?

A

Nose, mouth, trachea, bronchi, and lungs.

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6
Q

What happens to air when it enters the Respiratory System?

A

Air enters through nose/mouth, passes through trachea, bronchi, and bronchioles.

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7
Q

How does oxygen get into the bloodstream?

A

Oxygen diffuses into bloodstream in lungs.

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8
Q

How does carbon dioxide leave the body?

A

Carbon dioxide diffuses out of bloodstream, exhaled.

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9
Q

Define Inhalation.

A

Breathing in.

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10
Q

Define Exhalation.

A

Breathing out.

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11
Q

How does air enter the Respiratory System?

A

Through mouth and nose.

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12
Q

What is the pharynx?

A

Throat; connects mouth/nose to trachea.

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13
Q

What is the trachea?

A

Windpipe; connects pharynx to bronchi.

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14
Q

What are bronchi?

A

Airways; branches from trachea to lungs.

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15
Q

What supports the trachea?

A

Rings of cartilage.

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16
Q

What do epithelial cells produce?

A

Mucus.

17
Q

What is the function of cilia?

A

Move mucus, filter foreign material.

18
Q

What are pulmonary arteries/veins?

A

Arteries: carry oxygen-depleted blood to lungs; Veins: carry oxygen-rich blood from lungs.

19
Q

Define Respiration.

A

Gas exchange between lungs and bloodstream.

20
Q

Define Ventilation.

A

Air movement into/out of lungs.

21
Q

What is the main purpose of the Respiratory System?

A

Gas exchange.

22
Q

How does oxygen enter the bloodstream in the lungs?

A

By diffusion.

23
Q

How does Carbon Dioxide leave the blood?

A

By diffusion.

24
Q

What do the bronchi branch into?

A

Alveoli.

25
Q

How does oxygen enter the bloodstream?

A

Diffusion through alveoli walls into capillaries.

26
Q

How is carbon dioxide removed?

A

Diffusion from bloodstream into alveoli for exhalation.

27
Q

What surrounds each alveolus?

A

Network of capillaries.

28
Q

What happens to oxygen picked up by blood?

A

Carried to body parts.

29
Q

How is excess carbon dioxide removed?

A

Diffuses into blood, carried to lungs, diffused into alveoli air, expelled.

30
Q

What is the diaphragm and what is the function of it?

A

Large sheet of muscle underneath the lungs.

31
Q

Inhale-
Exhale-

A

Inhale-contract
Exhale-relax

Science (2 decks)

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