Name the following tissues: present in the brain.

Explanation

### Step-by-Step Solution

1. **Identify the Main Tissue Type**: The primary tissue found in the brain is the **Nervous Tissue**. This tissue is responsible for processing and transmitting information throughout the body.

2. **Understand the Components of Nervous Tissue**: Nervous tissue is primarily made up of **Neurons**. Neurons are specialized cells that transmit signals, allowing for communication between different parts of the body and the brain.

3. **Differentiate Between Grey Matter and White Matter**:
- **Grey Matter**: This part of the brain consists mainly of unmyelinated neurons. The lack of myelin sheath allows for faster transmission of electrical impulses between neurons.
...