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Author Question: About ______ of women and ______ of men identify as gay or lesbian. A) 13; 5.2. B) 0.5; 0.1. ... (Read 35 times) |
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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.