Placenta acts as an endocrine tissue. Justify.

Explanation

### Step-by-Step Solution:

1. **Definition of Endocrine Tissue**: Start by defining what an endocrine tissue is. Endocrine tissues are specialized glands that secrete hormones directly into the bloodstream, which then travel to various organs and tissues to regulate physiological processes.

2. **Introduction to the Placenta**: Introduce the placenta as a temporary organ that develops in the uterus during pregnancy. It plays a crucial role in supporting the developing fetus.

3. **Hormones Secreted by the Placenta**: List the key hormones produced by the placenta:
- **Human Chorionic Gonadotropin (HCG)**: This hormone helps maintain the corpus luteum during early pregnancy, which is essential for the production of progesterone.
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