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Author Question: Global warming is caused mainly by a. greenhouse gases that accumulate in the atmosphere. b. ... (Read 96 times) |
Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.
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.
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.