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- 1. Multiple Choice
Diagram shows a model of human respiratory system. K represents....
lung
rib cage
diaphragm
thoracic cavity
- 2. Multiple Choice
Epiglottis is the structure that opens or closes the trachea.
TRUE
FALSE
- 3. Multiple Choice
Exchange of gases in the body cells occurs in the bronchioles.
TRUE
FALSE
- 4. Multiple Choice
What is X?
Trachea
Bronchus
Bronchiole
Epiglottis
- 5. Multiple Choice
Which is the correct air passage in the breathing mechanism?
Nostril, nasal cavity, pharynx, larynx, trachea, bronchus, bronchiole, alveolus
Nostril, nasal cavity, larynx, pharynx, trachea, bronchus, bronchiole, alveolus
Nostril, nasal cavity, pharynx, larynx, trachea, bronchiole, bronchus, alveolus
Nostril, nasal cavity, trachea, larynx, pharynx, bronchus, bronchiole, alveolus
- 6. Multiple Choice
Name structure Y.
Trachea
Bronchus
Bronchiole
Alveolus
- 7. Multiple Choice
Which of the structures of human respiratory system NOT involve in the air passage in the breathing mechanism?
Trachea
Intercostal muscle
Rib
Larynx
- 8. Multiple Choice
During inhalation....
intercostal muscles contract
air pressure in the thoracic cavity to decrease
rib cage moves downwards and inwards
diaphragm muscles relax and curve upwards
diaphragm muscles contract
- 9. Multiple Choice
During exhalation....
intercostal muscles contract
air pressure in the thoracic cavity to decrease
rib cage moves downwards and inwards
diaphragm muscles relax and curve upwards
intercostal muscles relax
- 10. Multiple Choice
"Movements of the rib cage and diaphragm make the thoracic cavity smaller and cause the air pressure in the thoracic cavity to increase"
The situation happens during....
inhalation
exhalation
excretion
blood circulation
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