Name the type of immunity that is present at the time of birth in humans. Explain any two ways be which it is accomplished .

Explanation

**Step-by-Step Solution:**

1. **Identify the Type of Immunity Present at Birth:**
- The type of immunity that is present at the time of birth in humans is called **innate immunity**. This immunity is non-specific and does not require prior exposure to pathogens.

2. **Explain the First Way Innate Immunity is Accomplished:**
- One way innate immunity is accomplished is through **physical barriers**. The most notable example of a physical barrier is the **skin**, which acts as a protective layer that prevents the entry of pathogens and foreign particles into the body.

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