The following figure depicts the structure of a human ear with some of its parts denoted by numbers.

Which of the following is an incorrect labelling of the parts?

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Ear drum

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Ear canal

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Cochlea

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Auditory nerve

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Solution

The correct option is B 1 $\to$ Ear canal
The part of the human ear labelled as 1, is called pinna which is made of cartilage or soft bone. The pinna directs the sound waves into the ear cavity, and hence, onto the ear drum.

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With reference to the human ear, answer the questions that follow:
(a) Give the technical term for the structure found in the inner ear.
(b) Name the three small bones present in the middle ear. What is the biological term for them collectively?
(c) Name the part of the ear associated with (l) static balance (2) hearing (3) dynamic balance.
(d) Name the nerve, which transmits messages from the ear to the brain.

Q. Explain auditory aspects of human ear.

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The following figure depicts the structure of a human ear with some of its parts denoted by numbers. Which of the following is an incorrect labelling of the parts?

The correct option is B 1 → Ear canalThe part of the human ear labelled as 1, is called pinna which is made of cartilage or soft bone. The pinna directs the sound waves into the ear cavity, and hence, onto the ear drum.

The following figure depicts the structure of a human ear with some of its parts denoted by numbers.

Which of the following is an incorrect labelling of the parts?

The correct option is B 1 $\to$ Ear canal
The part of the human ear labelled as 1, is called pinna which is made of cartilage or soft bone. The pinna directs the sound waves into the ear cavity, and hence, onto the ear drum.