Exercise helps in building health.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Importance of Exercise**: Exercise is crucial for maintaining good health. It helps in building a strong body and supports various bodily functions.

2. **Healthy Habits for Good Health**: To keep our body healthy, we need to adopt certain habits:
- **Avoid Stress and Tension**: Reducing unnecessary stress is vital for overall well-being.
- **Get Adequate Sleep**: Adults should aim for 7 to 8 hours of sleep each night to allow the body to rest and recover.
- **Regular Exercise**: Incorporating regular physical activity into our daily routine is essential.
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