Respiratory System
Biology ⇒ Human Biology
Respiratory System starts at 6 and continues till grade 12.
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See sample questions for grade 7
A student is running and starts breathing faster. Why does this happen?
Describe one way the respiratory system protects itself from harmful particles in the air.
Describe the path that air takes from the nose to the alveoli.
Describe the role of the nasal cavity in respiration.
Describe what happens to the chest cavity during exhalation.
Explain how the respiratory system helps maintain the balance of oxygen and carbon dioxide in the body.
Explain why breathing through the nose is generally healthier than breathing through the mouth.
Explain why the walls of the alveoli are very thin.
What happens to the diaphragm when you inhale?
What is the function of the cilia in the respiratory tract?
What is the main function of the alveoli in the lungs?
What is the main reason we need oxygen?
What is the main waste product removed from the body by the respiratory system?
What would happen if the alveoli were damaged or destroyed?
