Respiration System Flashcards

1
Q

What is the primary function of the human respiratory system?

A

To facilitate the exchange of oxygen and carbon dioxide.

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2
Q

True or False: The diaphragm is a muscle that plays a crucial role in breathing.

A

True

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3
Q

Fill in the blank: The __________ are the main organs of the respiratory system.

A

lungs

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4
Q

What is the pathway of air during inhalation?

A

Nasal cavity → pharynx → larynx → trachea → bronchi → lungs

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5
Q

What is the name of the tiny air sacs in the lungs where gas exchange occurs?

A

Alveoli

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6
Q

Multiple Choice: Which structure is responsible for producing sound?

A

Larynx

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7
Q

What is the role of the cilia in the respiratory system?

A

To trap and move particles out of the airways.

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8
Q

True or False: The respiratory system is responsible for the digestion of food.

A

False

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9
Q

What gas do we primarily inhale?

A

Oxygen

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10
Q

What gas do we primarily exhale?

A

Carbon dioxide

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11
Q

Multiple Choice: Which part of the brain regulates breat

A

Medulla oblongata

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12
Q

Fill in the blank: The __________ is a tube that connects the throat to the lungs.

A

trachea

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13
Q

What is the function of the pleura?

A

To provide lubrication and reduce friction between the lungs and chest wall.

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14
Q

True or False: The respiratory system also helps regulate body temperature.

A

True

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15
Q

What is the term for the volume of air inhaled or exhaled during normal breathing?

A

Tidal volume

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16
Q

Multiple Choice: Which condition is characterized by difficulty in breathing?

17
Q

What role does surfactant play in the lungs?

A

It reduces surface tension in the alveoli, preventing collapse.

18
Q

Fill in the blank: The __________ divides the thoracic cavity from the abdominal cavity.

19
Q

What is the primary muscle used in inhalation?

20
Q

True or False: The right lung is smaller than the left lung.

21
Q

What are the two main branches of the trachea called?

22
Q

Multiple Choice: Which respiratory condition is caused by long-term exposure to irritants?

A

Chronic obstructive pulmonary disease (COPD)

23
Q

What is the purpose of the nasal cavity?

A

To filter, warm, and humidify the air.

24
Q

Fill in the blank: The exchange of gases occurs in the __________.

25
Q

True or False: The respiratory system has no role in the immune response.

26
Q

What is the main function of the bronchial tubes?

A

To carry air to and from the lungs.