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- 1. Multiple Choice
It is also known as the windpipe which carries air from the throat into the lungs.
trachea
pharynx
bronchi
larynx
- 2. Multiple Choice
It is a small flip cartilage tissue that covers the trachea to prevent any solid object to pass in the lungs.
larynx
epiglottis
pharynx
nasal cavity
- 3. Multiple Choice
It serves as passage of both air and food.
pharynx
larynx
epiglottis
nasal cavity
- 4. Multiple Choice
What is the main function of the respiratory system?
excretion of carbon dioxide
gaseous exchange
oxygenation of blood
secretion of hormones
- 5. Multiple Choice
These are tiny sacs of lung tissue specialized for the movement of gases between air and blood.
alveoli
bronchi
bronchioles
coarse hairs
- 6. Multiple Choice
It is the passage that directs air into the lungs.
bronchi
bronchioles
alveoli
trachea
- 7. Multiple ChoiceAir is filtered, cleaned and warmed in what part of the respiratory system?nosemouthbronchialveoli
- 8. Multiple Choice
What are the functions of the respiratory system?
Select ALL that apply.
provides oxygen for your cells
removes CO2 and H2O when you exhale
carries oxygen and nutrients
provides shape and support for muscles
- 9. Multiple Choice
Respiration is the process of exchange of _______ and ______.
blood; air
blood; oxygen
oxygen; other gases
oxygen; carbon dioxide
- 10. Multiple Choice
It is also known as the windpipe.
trachea
pharynx
larynx
nasal cavity
- 11. Multiple Choice
It warms, filters and humidifies air to get rid of foreign particles that can irritate or harm the lungs.
nasal cavity
mouth
pharynx
larynx
- 12. Multiple Choice
They filter bacteria and viruses entering the body through the mouth.
tonsils
pharynx
epiglottis
larynx
- 13. Multiple Choice
It leads air into the appropriate channel and functions mainly in speech.
larynx
pharynx
trachea
bronchi
- 14. Multiple Choice
It adjoins the esophagus enabling it to extend anteriorly when we swallow.
trachea
larynx
pharynx
bronchi
- 15. Multiple Choice
It is defined as the act of pulling air into the lungs and eliminating air out of the lungs.
breathing
respiration
oxidation
perspiration
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