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Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

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If you could remove all of your skin, it would weigh up to 5 pounds.

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Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

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The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Valves of the heart. Valves of the heart.
The cardiovascular system. A schematic view of the closed circulation of blood. The heart is section The cardiovascular system. A schematic view of the closed circulation of blood. The heart is section
Cricothyroid muscle Cricothyroid muscle
Kitagawa Utamaro, The Fickle Type, from the series Ten Physiognomies of Women. Kitagawa Utamaro, The Fickle Type, from the series Ten Physiognomies of Women.
Apply pincer pressure to TrPs in sternocleidomastoid (SCM) muscle. Turn head to side to expose SCM; ... Apply pincer pressure to TrPs in sternocleidomastoid (SCM) muscle. Turn head to side to expose SCM; ...
Location of fetal heart tones for various fetal positions Location of fetal heart tones for various fetal positions
Video: Global warming and its effect on climate change

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