Which cells is nervous tissue made of? How is the generic function of the tissue related to the characteristics of the main cell type that forms it?

Explanation

### Step-by-Step Solution:

1. **Identify the Main Components of Nervous Tissue**:
- Nervous tissue is primarily composed of **neurons** and **glial cells**.
- Neurons are the functional units of the nervous system, while glial cells provide support and protection.

2. **Structure of Neurons**:
- Neurons consist of three main parts:
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