The study of tissues is known as

Options

A. Physiology
B. Ecology
C. Histology
D. Anatomy.

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the term that refers to the study of tissues.

2. **Identifying Relevant Branches of Biology**:
- **Physiology**: This branch deals with the normal functioning of living organisms. It is not specifically focused on tissues.
- **Ecology**: This branch studies the relationships between organisms and their environment. It does not focus on tissues either.
- **Histology**: This branch specifically focuses on the microanatomy of cells, tissues, and organs. It is directly related to the study of tissues.
- **Anatomy**: This branch studies the structure of internal organs and their functions. While it may include tissues, it is not exclusively focused on them.

3. **Choosing the Correct Answer**: Based on the definitions:
- Physiology, ecology, and anatomy do not specifically focus on tissues.
- Histology is the only branch that specifically studies tissues.

4. **Conclusion**: Therefore, the correct answer to the question "The study of tissues is known as" is **Histology**.

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