In the human ear utriculus and sacculus , respond to

Options

A. change of posture
B. internal pressure
C. hearing
D. sense of smell

Answer

**Step-by-Step Text Solution:**

1. **Understanding the Human Ear Structure**: The human ear is divided into three main parts: the outer ear, middle ear, and inner ear. The inner ear contains important structures for balance and hearing.

2. **Identifying the Vestibular Apparatus**: Within the inner ear, there is a complex system known as the vestibular apparatus. This apparatus is crucial for maintaining balance and spatial orientation.

3. **Components of the Vestibular Apparatus**: The vestibular apparatus includes specific receptors called cristae and maculae. These receptors are located in the utriculus (utricle) and sacculus (saccule), which are parts of the vestibular system.

4. **Function of Utriculus and Sacculus**: The utriculus and sacculus primarily respond to changes in posture and help in maintaining balance. They detect linear accelerations and the position of the head relative to gravity.

5. **Conclusion**: Therefore, the utriculus and sacculus in the human ear respond to changes in posture.

**Final Answer**: Utriculus and sacculus respond to changes in posture.

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