Name the softest and the hardest connective tissue of the body.

Explanation

**Step-by-Step Solution:**

1. **Understanding Connective Tissue:**
- Connective tissue is a type of tissue that supports, binds together, and protects tissues and organs of the body. It originates from the mesoderm layer during embryonic development.

2. **Identifying the Softest Connective Tissue:**
- The softest connective tissue in the body is **blood**.
- Blood is considered soft because it does not undergo calcification, which means it remains in a liquid state and is not hardened like other connective tissues.
...