👉 Macrophysis, also known as macrophage, is a type of immune cell that plays an important role in the body's defense against pathogens and other foreign substances. It is characterized by its large size and ability to engulf and digest bacteria, viruses, and other microorganisms. Macrophages are found throughout the body, including in the lungs, liver, spleen, and lymph nodes, where they play a crucial role in regulating immune responses and fighting off infections.