Biotic and Abiotic Factors

How do biological and environmental factors

affect the human body?

Biotic and Abiotic FactorsThat Can Affect Human Health• Biotic: Living - Biological

– Pathogens (bacteria, viruses, parasites)

– Your own body (aging)– Allergens

• Abiotic: Non living - Environmental– Medical procedures– Pollution– Chemical– Alcohol

Why do people say the following?

• Cover your mouth when you cough!• Wash your hands!• Don’t put that in your mouth!Don’t drink from my glass!

Pathogens

• Bacteria– Pneumonia– Tuberculosis– Lyme disease

• Viruses– Aids– Childhood diseases

• (measles, chicken pox, mumps)– Flu, common cold

• Parasites– Body lice– Swimmer’s itch– Malaria

Aging• Changes in the structure and

function of the body that occur over time.

• Graying of hair• Heart disease• Osteoporosis• Loss of hearing

Allergens• Is anyone allergic to anything?

Environmental Risks

• Medical– Radiation– Chemotherapy

• Pollution– Noise– Air

• Chemical– Lead– Asbestos

Alcohol and Drugs

• Alcohol• Tobacco• Illegal drugs• Prescription drugs/OTC drugs• Herbal medicines

• Any Questions?