A person who consumes more alcohol than a specified quantity cannot walk properly or cannot balance a bicycle. Give reason.

Explanation

**Step-by-Step Solution:**

1. **Understanding Alcohol's Effect on the Body**: When a person consumes alcohol, it enters the bloodstream and affects various systems in the body, particularly the central nervous system.

2. **Impact on the Brain**: Alcohol primarily affects the brain, which is responsible for many functions, including coordination, balance, and motor skills.

3. **Role of the Brain in Balance**: The brain processes information from the sensory organs (like the eyes and inner ear) to help maintain balance and posture. It integrates this information to coordinate movements.

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