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Author Question: When the team he supports wins the World Cup, Robert feels a surge of joy, which turns into a ... (Read 34 times) |
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Blood is approximately twice as thick as water because of the cells and other components found in it.
For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.
IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.