Pathogens

Pathoges are microorganisms that cause infectious diseases. Bacteria and viruses are the main types of pathogens.

Bacteria - Small, produce quickly, can produce toxins and are responsible for:

- Tetanus

- Cholera

- TB

Viruses - Very small, reproduce quickly when inside the cell, can produce toxins, responsible for:

- Colds

- Flu

- Measles

- Polio

Defenses

White blood cells form part of the bodies immune system. They help by:

- Ingesting the pathogens

- Producing antitoxins to counter…