A mikrobák are tiny living organisms that can only be seen under a microscope. They include bacteria, viruses, fungi, and protozoa. Mikrobák are found everywhere, from soil and water to the human body. Some are beneficial, helping with digestion or producing vitamins, while others can cause diseases. Mikrobák play a crucial role in various ecosystems. They help decompose organic matter, recycle nutrients, and maintain soil health. In medicine, certain mikrobák are used to produce antibiotics and vaccines, highlighting their importance in both nature and human health. Understanding mikrobák is essential for advancements in science and medicine.