Respiratory System In Humans

6 Questions | By Eveteo28 | Last updated: Mar 20, 2022 | Total Attempts: 317

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Check your understanding on the human respiratory system.

Questions and Answers

1.

What is the function of cilia that line the nasal cavity?
- A.
  
  Moisten the air taken in
- B.
  
  Produce sticky mucus
- C.
  
  Trap dust from the air
- D.
  
  Sweep away mucus and trapped materials
2.

Which one of the following is a disease of the respiratory system in which alveoli in the lungs enlarge?
- A.
  
  Chronic bronchitis
- B.
  
  Lung cancer
- C.
  
  Emphysema
- D.
  
  Asthma
3.

The __________ is a tubelike passageway used by food, liquid, and air.
- A.
  
  Nostril
- B.
  
  Epiglottis
- C.
  
  Pharynx
- D.
  
  Larynx
4.

What muscle contracts and relaxes when you inhale and exhale?
- A.
  
  Larynx
- B.
  
  Lung
- C.
  
  Diaphragm
- D.
  
  Trachea
5.

The exchange of oxygen and carbon dioxide in the lungs takes place between the __________.
- A.
  
  Nostrils and lungs
- B.
  
  Bronchi and bronchiles
- C.
  
  Alveoli and capillaries
- D.
  
  Pharynx and lungs
6.

Which one of the following is the correct pathway of air after it enters the nasal passages?
- A.
  
  Larynx, trachea, pharynx, bronchi, lungs
- B.
  
  Pharynx, larynx, trachea, bronchi, lungs
- C.
  
  Larynx, pharynx, bronchi, trachea, lungs
- D.
  
  Lungs, bronchi, trachea, larynx, pharynx

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