General Disease

• Pathogens - Microorganisms capable of causing disease
• Transmission - The process by which a pathogen moves from one individual to another
• Pathogens are microorganisms that cause disease in humans or animals.
• Antibodies are proteins that are produced by white blood cells (B - lymphocytes) to fight infection
• B - Lymphocytes


  A type of white blood cell that produces antibodies
• T - Lymphocytes


  a type of white blood cell that directly kills infected host cells such as pathogens
• T-lymphocytes perform phagocytosis (surround, engulf, digest)