mention any two human diseases caused by round worms. Name their causative agents and their mode of transmission into the human body.

Explanation

### Step-by-Step Solution:

1. **Identify Two Human Diseases Caused by Roundworms:**
- The two diseases caused by roundworms are **Ascariasis** and **Elephantiasis**.

2. **Name Their Causative Agents:**
- **Ascariasis** is caused by the roundworm **Ascaris lumbricoides**.
- **Elephantiasis** is caused by the roundworm **Wuchereria bancrofti**.
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