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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.
![he White-throated Bee-eater, Merops albicollis is a near passerine bird in the bee-eater family Mero](https://biology-forums.com/gallery/47/medium_12359_29_04_12_6_19_16.jpeg)
![The stages of labor and delivery. (A) During the dilation stage the cervix thins and dilates to 10 c](https://biology-forums.com/gallery/47/medium_14755_28_08_12_1_52_24_82561428.jpeg)