CBSE Class 10 Biology Respiration in Humans
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- What is the composition and function of liquid present in pleural cavity of human body ?why is there less pressure than lungs ?
- How to draw human respiratory system
- Why is inspiration called as an active process and expiration as passive?
- What is respiration?Mention its type? Name and explain the process by which gaseous exhange takes place?
- Give reasons: a) The lung alveoli are covered with blood cappillaries. b) The wall of trachea is supported by cartilage rings.
- State the role of the following in the human respiratory system: a) Nasal cavity b) Diaphragm c) Alveoli
- How are the alveoli designed to maximize the exchange of gases?
- Write the equation for respiration.
- Give reason: The glottis is guarded by epiglottis.(1 mks)
- Mam I am not clear with human respiratory system
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