The respiratory rhythm centre is present in the

Options

A. (a) cerebrum
B. (b) cerebellum
C. (c) hypothalamus
D. (d) medulla oblongata

Answer

**Step-by-Step Solution:**

1. **Identify the Question**: The question asks where the respiratory rhythm center is located in the brain.

2. **Evaluate the Options**: The options provided are:
- A) Cerebrum
- B) Cerebellum
- C) Hypothalamus
- D) Medulla Oblongata

3. **Analyze Each Option**:
- **Cerebrum**: This part of the brain is responsible for higher brain functions such as movement, sensory processing (vision, hearing, touch), emotions, and learning. It does not control respiratory functions.
- **Cerebellum**: The cerebellum is primarily involved in coordination, balance, and speech. It also does not play a role in respiratory functions.
- **Hypothalamus**: The hypothalamus serves as a link between the nervous system and the endocrine system, regulating hormonal functions. It is not responsible for controlling respiration.
- **Medulla Oblongata**: This part of the brain is crucial for regulating involuntary actions, including cardiovascular and respiratory functions. It is specifically known to control the respiratory rhythm.

4. **Conclusion**: Based on the analysis, the respiratory rhythm center is located in the **Medulla Oblongata**. Therefore, the correct answer is **D) Medulla Oblongata**.

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