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- 1. Multiple Choice
Identify part X
nasal cavity
trachea
nostril
larynx
- 2. Multiple Choice
What is the role of part X?
keep the trachea open for airflow
prevent foods from entering the oesophagus during swallowing.
prevent foods from entering the trachea during swallowing.
produce sound when it vibrates
- 3. Multiple Choice
Identify is part X?
bronchus
bronchiole
trachea
pharynx
- 4. Multiple Choice
Which of the following part is supported by cartilages?
bronchi
bronchiole
oesophagus
diaphragm
- 5. Multiple Choice
What is the function of structure X?
To trap dust particles.
To sweep the mucus.
To provide a larger surface area for gas exchange.
To warm up the incoming air.
- 6. Multiple Choice
Identify cell Y
ciliated epithelial cell
air sac
mucus-secreting cell
muscle cell
- 7. Multiple Choice
The cells shown in the picture can be found in
nostril
nasal cavity
air sacs
oesophagus
- 8. Multiple Choice
In humans, gas exchange occurs in
trachea
bronchus
bronchiole
air sacs
- 9. Multiple Choice
Which of the following features helps to warm the inhaled air?
The nasal cavity has a lot of hair.
The respiratory tract is coated with mucus.
The trachea is covered with cilia.
The nasal cavity is richly supplied with capillaries.
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