The human respiratory system consists of the nasal passage, the pharynx, the trachea, the bronchi, bronchioles and the lungs.
By: Ashok Kumar
- Created By
- School
- Address
- Class
- Asha.K.M., Anjana.J, Anakha.K.S.
- G.H.School
- Cotton, Hill, Kerala
- 9th
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