The organ of Corti in rabbit is concerned with the sense of
or
Cochlea of mammalian internal ear is concerned with

Options

A. Taste
B. Smell
C. Hearing
D. Equilibrium

Answer

### Step-by-Step Solution:

1. **Identify the Organ**: The question asks about the organ of Corti in rabbits and the cochlea of the mammalian internal ear.

2. **Location of the Organ of Corti**: The organ of Corti is located in the inner ear, specifically on the basilar membrane of the cochlea.

3. **Function of the Organ of Corti**: The organ of Corti is responsible for converting sound vibrations into neural signals. It acts as a sensory organ for hearing.

4. **Cochlea's Role**: The cochlea, which houses the organ of Corti, is also primarily involved in the sense of hearing. It is structured to process sound waves and facilitate auditory perception.

5. **Conclusion**: Based on the functions of the organ of Corti and the cochlea, the correct answer to the question is that they are both concerned with the sense of hearing.

### Final Answer:
The organ of Corti in rabbit is concerned with the sense of **hearing**. The cochlea of the mammalian internal ear is also concerned with **hearing**.

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