Even though ears have a fixed shape like our arms, we can fold the ears but not our arms. Why?
A
Ears are made of cartilage
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B
Ears are made of muscles
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C
Ears are made of a fluid
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D
Ears are made of bones
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Solution
The correct option is A Ears are made of cartilage Our skeletal system is made up of bones and cartilage. Bones are hard and we cannot bend them whereas cartilage is flexible and foldable.