Which of the following is mismatched?

Options

A. Semicircular canals-inner ear
B. Utricle and saccule-outer ear
C. Auditory canal-outer ear
D. Ossicles-middle ear

Explanation

To determine which of the following options is mismatched, we will analyze each option in relation to the parts of the ear they refer to.

1. **Semicircular Canal - Inner Ear**:
- The semicircular canals are indeed part of the inner ear. They are responsible for maintaining balance and spatial orientation.
- **Conclusion**: This option is correctly matched.

2. **Utricle and Saccule - Outer Ear**:
- The utricle and saccule are actually located in the inner ear, not the outer ear. They are part of the vestibular system and help in balance.
- **Conclusion**: This option is mismatched.

3. **Auditory Canal - Outer Ear**:
- The auditory canal (also known as the ear canal) is part of the outer ear. It leads sound waves to the eardrum.
- **Conclusion**: This option is correctly matched.

4. **Ossicle - Middle Ear**:
- The ossicles are three tiny bones (malleus, incus, and stapes) located in the middle ear. They play a crucial role in transmitting sound vibrations from the eardrum to the inner ear.
- **Conclusion**: This option is correctly matched.

**Final Answer**: The mismatched option is **Utricle and Saccule - Outer Ear**.