what are some Causes of Infection?
- microorganisms- pathogens- flora and fauna
what are flora and fauna?
tiny plants and animals normally found in the human body
what are some types of pathogens?
- bacteria- viruses- protozoa- fungi- helminths
protozoa
ingested by humans through water or food; cause intestinal illnesses
fungi
can enter body through cuts or cracks in the skin. (Ex. Mold)
Helminths (parasitic worms)
inhabit the digestive tract