Fill in the following blanks with suitable words:
Breathing involves the movement of …………. And the ………. Cage.

Options

A. diaphragm, rib
B. rib, diaphragm
C. alveoli, rib
D. lungs, diaphragm

Answer

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

1. **Understanding Breathing:** Breathing is a process that involves the movement of air in and out of the lungs. It is essential for the exchange of gases, particularly oxygen and carbon dioxide.

2. **Identifying Key Components:** In the process of breathing, two main structures play a crucial role: the diaphragm and the rib cage.

3. **Filling in the Blanks:**
- The first blank refers to the structure that contracts and relaxes to help draw air into the lungs. This structure is the **diaphragm**.
- The second blank refers to the protective structure that surrounds the lungs and assists in the breathing process. This structure is the **rib cage**.

4. **Final Answer:** Therefore, the completed statement is: "Breathing involves the movement of **diaphragm** and the **rib cage**."

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