Which structures of human ear help in maintaining equilibrium?

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the structures in the human ear that are responsible for maintaining equilibrium or balance.

2. **Identifying the Vestibular System**: The vestibular system is the part of the inner ear that plays a crucial role in balance and spatial orientation.

3. **Components of the Vestibular System**:
- **Utricle**: This structure detects gravitational forces and helps in maintaining balance when the head is in a static position.
...