How can we help?
You can also find more resources in our
Select a category
Something is confusing
Something is broken
I have a suggestion
What is your email?
What is 1 + 3?
Bacterial and Viral Diseases
one in which the disease-causing organism can be passed from one host to another by direct or indirect contact
chemical poisons that are harmful to the body and may kill cells or interfere with cell activities
or influenza, is a serious viral disease
the body system that defends against disease
white blood cells
the body's main line of defense against infection
a protein that can attach itself to bacterial cells or to viruses and destroy them
a substance that stops the growth and reproduction of bacteria
many are produced from other microbes and from fungi
a mixture usually made with weakened or dead disease-causing microbes, can cause the body to produce antibodies
Acquired Immune Deficiency Syndrome
human immunodeficiency virus is the virus that causes AIDS
helpful bacteria found in foods
cheese, pickles, butter, yogurt, sour cream, and chocolate
a protein that is usually produced by the body that helps control the rate at which the body breaks down sugar.
usually caused by people who do not produce enough insulin and can be treated with insulin that is produced by bacteria