How do ribs and diaphragm help in respiration ?

Explanation

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

1. **Understanding the Role of the Diaphragm:**
- The diaphragm is a dome-shaped muscle located at the base of the chest cavity. When we inhale, the diaphragm contracts and moves downward, increasing the space in the chest cavity.

2. **Understanding the Role of the Ribs:**
- The ribs are bones that form the ribcage, which protects the lungs and heart. The muscles between the ribs, called intercostal muscles, also play a crucial role in respiration. When we breathe in, these muscles contract, causing the ribcage to expand and move upward and outward.

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