Chapter 21 The Immune System. Function of the Immune System The immune system is a collection of mechanisms that protects against disease by identifying. - ppt download
🧬Laboratory Information 🧬 on Twitter: "📌📌PATHOGENS🧫🧪🔬 ◽️A pathogen is a specific microorganism that causes a specific disease ◽️Communicable or infectious diseases are often transmitted by pathogens ◽️A pathogen can be a bacteria,
Malaria Protist Characteristics & Life Cycle | Study.com