Which one of the following is a type of tissue?

Options

A. Alimentary canal
B. Liver
C. Blood
D. Pancreas

Explanation

To determine which of the given options is a type of tissue, we can analyze each option step by step.

### Step-by-Step Solution:

1. **Identify the Options**: The options given are:
- Elementary canal
- Liver
- Blood
- Pancreas

2. **Analyze Each Option**:
- **Elementary Canal**: This is not a type of tissue. It refers to the entire digestive tract, which includes various organs such as the stomach and intestines. Therefore, it is classified as an organ system, not a tissue.

- **Liver**: The liver is an organ that performs various functions in the body, such as detoxification, protein synthesis, and the production of biochemicals necessary for digestion. It is not a type of tissue but rather a complex organ made up of different types of tissues.

- **Blood**: Blood is classified as a connective tissue. It consists of cells (red blood cells, white blood cells, and platelets) suspended in a liquid matrix called plasma. This classification is due to its role in connecting different systems of the body and its composition.

- **Pancreas**: The pancreas is also an organ that plays a vital role in digestion and blood sugar regulation. Like the liver, it is composed of various types of tissues but is not a tissue itself.

3. **Conclusion**: Based on the analysis, the only option that qualifies as a type of tissue is **Blood**.

### Final Answer:
**Blood** is a type of tissue.

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