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

Explanation

### Step-by-Step Solution:

1. **Identify the Question**: The question asks for the softest and hardest connective tissues in the human body.

2. **Define Connective Tissues**: Connective tissues are a group of tissues that support, bind together, and protect other tissues and organs in the body.

3. **Determine the Softest Connective Tissue**:
- The softest connective tissue in the body is **blood**.
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