|
|
The average adult has about 21 square feet of skin.
Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.
Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.
More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
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.
![The Peary caribou is a relatively small and pale subspecies found in the tundra of far northern Nort](https://biology-forums.com/gallery/47/medium_27605_22_04_12_6_13_46.jpeg)
![Multiple sclerosis (MS). (a) A disease characterized by the gradual development of small areas of ha](https://biology-forums.com/gallery/47/medium_14755_14_10_12_6_48_58_94102395.jpeg)