"Bundle of His" is formed of mainly:

Options

A. Nervous tissue supplied to ventricles
B. Nervous tissue supplied to heart
C. Muscular tissue supplied to ventricles
D. Muscular tissue supplied to heart

Answer

To answer the question "Bundle of His" is formed of mainly, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Bundle of His**: The Bundle of His, also known as the atrioventricular bundle, is a collection of heart muscle cells that are specialized for conducting electrical impulses. It plays a crucial role in the heart's electrical conduction system.

2. **Function of the Bundle of His**: The primary function of the Bundle of His is to transmit electrical impulses from the atrioventricular (AV) node to the ventricles of the heart. This conduction is essential for coordinating the contraction of the heart muscles.

3. **Analyzing the Options**:
- **Option 1**: Nervous tissue supplied to ventricles - This option is incorrect because the Bundle of His is not made of nervous tissue; it is composed of muscle cells.
- **Option 2**: Muscular tissue supplied to ventricles - This option is correct. The Bundle of His is indeed made of muscular tissue that is responsible for conducting impulses to the ventricles.
- **Option 3**: Muscular tissue supply to heart - This option is vague and does not specifically address the function of the Bundle of His.

4. **Conclusion**: Based on the analysis of the options, the correct answer is that the Bundle of His is mainly formed of muscular tissue that supplies electrical impulses to the ventricles.

### Final Answer:
The Bundle of His is formed mainly of muscular tissue that supplies electrical impulses to the ventricles.

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