Defense System
An organism, a virus or a vector that causes or carries disease
What is a pathogen?
The ability to resist or recover from a disease.
What is immunity?
What are some symptoms of a communicable disease?
Tired, sore throat, fever, aches and pains
Skin, hair, nails, mucus
What are some of your body's external defense systems?
How does the body build immunity?
By having the disease or by vaccines
What are some ways humans/animals introduce diseases to their body?
By eating raw chicken, raw beef or drinking contaminated water/untreated water, through the air by coughing/sneezing, touching/shaking hands.
Inflammatory response, platelets, fever
What are some of the internal defense systems?
Once your body has fought a pathogen; it has this type of cell that remember it.
What are memory cells?
What are some ways diseases pass from animals to humans?
Infected mosquitoes, ticks, biting that breaks the skin
It is made up of white blood cells that recognize and attack foreign substances in the body.
What is the immune system?
What causes infectious diseases?
Viruses invade living cells, bacteria infects organs, fungi (skin) infections are passed by contact and parasites are spread by contaminated water and food.
Who is the scientist that discovered the spread of cholera so he could save lives?
Dr. John Snow
Macrophage, T cells, B cells and antibodies.
What are some of the white blood cells that protect the body?
What are some names of vaccines?
Diphtheria/Tetanus/Pertussis, Polio, Measles/Mumps/Rubella, Hepatitis B, Chickenpox
Who is the scientist who first discovered that microorganisms cause disease?
Louis Pasteur
What other kingdom contains viruses, bacteria, fungi and parasites?
Plantae kingdom
What are some ways to prevent and treat infectious diseases?
Antibiotics, antiviral drugs, sterilization, gloves, masks, refrigeration, pasteurization, thorough hand washing!