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Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

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There are 60,000 miles of blood vessels in every adult human.

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Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

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Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Przewalski's Horse, the only remaining type of "wild" horse that has never been domes Przewalski's Horse, the only remaining type of "wild" horse that has never been domes
Basal cell carcinoma, a frequent type of skin cancer that rarely metastasizes. Basal cell carcinoma, a frequent type of skin cancer that rarely metastasizes.
Type II Tissue Specific Reactions Type II Tissue Specific Reactions
Recruitment of Muscle Fiber Type Recruitment of Muscle Fiber Type
Kitagawa Utamaro, The Fickle Type, from the series Ten Physiognomies of Women. Kitagawa Utamaro, The Fickle Type, from the series Ten Physiognomies of Women.
The components of the wild-type lac operon The components of the wild-type lac operon
Video: DNA Sequences - Dideoxy Sequencing

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