Question :
Pinna (external ear) is present in
Option 1:
Amphibians
Option 2:
Fish
Option 3: Mammals
Option 4: Reptile
Correct Answer: Mammals
Solution : The correct answer is Mammals .
The Pinna is the outermost part of the ear in mammals and is characterised by its composition of yellow cartilage and skin. It stands as a distinctive feature unique to this class of animals. The outer ear is further divided into three distinct parts, namely the tragus, helix and lobule. The primary function of the pinna is to capture incoming sound waves and direct them toward the auditory canal for further processing.
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