How does microorganisms enter into our body?

Explanation

**Step-by-Step Solution:**

1. **Introduction to Microorganisms**: Microorganisms such as bacteria, viruses, and protozoans can enter our bodies through various means.

2. **Entry Through Air**: One of the primary ways microorganisms enter our body is through the air we breathe. For instance, bacteria responsible for tuberculosis, known as *Mycobacterium tuberculosis*, can be transmitted through airborne droplets.

3. **Transmission via Coughing and Sneezing**: When an infected person coughs or sneezes, they release droplets into the air. If we inhale these droplets, the bacteria can enter our respiratory system and infect us.

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