Name the tissues which has intercalated disc. What is its function?

Explanation

**Step-by-Step Solution:**

1. **Identify the Tissue**: The tissue that contains intercalated discs is cardiac muscle tissue. This tissue is specialized for the heart's function.

2. **Define Intercalated Discs**: Intercalated discs are specialized structures found between the cells of cardiac muscle. They appear as dark lines under a microscope.

3. **Function of Intercalated Discs**: The primary function of intercalated discs is to connect individual cardiac muscle cells (cardiomyocytes) together. This connection allows for synchronized contraction of the heart muscle, enabling it to function as a single unit, known as a syncytium.

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