Respiratory canal — task. Science State Board, Class 10.

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Choose the best answer:

1. The surface area of the nasal chambers is increase due to

Dentary bone
Maxilla bone
Turbinal bones
premaxilla bone

2. Via the internal nares, nasal chambers open into the

Oesopharynx
Nasopharynx
Nasolarynx
Laryngopharynx

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