|
|
Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Did you know?
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.
Did you know?
There are approximately 3 million unintended pregnancies in the United States each year.