Answer available
Class 9 · Biology · The Respiratory System
Name the organs of the human respiratory system in the order in which air passes through them.
2 marksEasyShort answer
ICSE question bank
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7 questions
- Answer available
Class 9 · Biology · The Respiratory System
How is an alveolus adapted for gaseous exchange?
3 marksMediumShort answer
- Answer available
Class 9 · Biology · The Respiratory System
Distinguish between breathing and respiration.
3 marksMediumShort answer
- Answer available
Class 9 · Biology · The Respiratory System
Describe the mechanism of inspiration.
3 marksMediumStructured
- Answer available
Class 9 · Biology · The Respiratory System
Why is the trachea supported by rings of cartilage, and why are the rings incomplete at the back?
3 marksMediumShort answer
- Answer available
Class 9 · Biology · The Respiratory System
State three differences between inspired and expired air.
3 marksMediumShort answer
- Answer available
Class 9 · Biology · The Respiratory System
State two differences between inspired air and expired air.
2 marksEasyShort answer