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
Class 9 · ICSE · Biology
The Respiratory System
Organs of respiration, the mechanism of breathing and gaseous exchange.
- Questions
- 7
- PYQs
- 0
- Topics
- 0
Syllabus mapping: ICSE syllabus (CISCE)
Questions
7 questions in this chapter.
- 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