1. S. Jett, NBCT Montevallo Middle School

2.  How do people catch colds and flu?  Beside each pathogen listed on the board, list the common diseases that they can cause.  Viruses  Bacteria  Fungi  Protozoa

3.  Viruses – the smallest and simplest pathogens. Ex. colds, chicken pox, influenza, measles, mononucleosis, mumps, hepatitis, herpes, HPV, HIV, yellow fever, polio, rabies and pneumonia.  Bacteria – simple one celled organisms. Ex. Pinkeye, whooping cough, strep throat, tuberculosis, Lyme disease, most food borne illnesses, diphtheria, bacterial pneumonia, cholera, gonorrhea.  Fungi – more complex than bacteria but can’t make their own food. Ex. Athlete’s foot and ringworm  Protozoa – One celled organisms that are more complex than bacteria. Ex. Dysentery, malaria, and trichmoniasis

4. 1. Direct contact with others 2. Indirect contact with others 3. Contact with someone else’s blood 4. Sexual contact 5. Contact with contaminated food or water 6. Contact with animals or insects

5.  Disease – any condition that interferes with the normal functioning of the body or mind.  Communicable disease – disease that can be spread to a person from another person, animal or object.  Communicable diseases are caused by germs.  Germs are organisms that are so small they can only be seen through a microscope.  Germs that cause disease are called pathogens.  Infection is a condition when pathogens enter the body, multiply and cause harm.