|
|
By definition, when a medication is administered intravenously, its bioavailability is 100%.
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.
Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
![In the heat of the Battle of Lake Erie, Perry had to abandon his flagship, the Lawrence, which had b](https://biology-forums.com/gallery/47/medium_374628_16_08_15_9_59_53_22266970.jpeg)
![Young adults with low levels of parental support report significantly better scores on measures of ...](https://biology-forums.com/gallery/47/medium_660365_23_12_16_3_52_07_243621638.jpeg)