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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

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The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Anatomy of the Right Knee Joint, Anterior View Anatomy of the Right Knee Joint, Anterior View
The bridging ability of IgM: (a) Pictorial view of IgM bridging of red cells. (b) Macroscopic view ... The bridging ability of IgM: (a) Pictorial view of IgM bridging of red cells. (b) Macroscopic view ...
Client files are kept in alphabetical order in locked file cabinets. Client files are kept in alphabetical order in locked file cabinets.
Summary view of the light reactions as they occur in the thylakoid Summary view of the light reactions as they occur in the thylakoid
Knee joint: Anterior view Knee joint: Anterior view
The Sacrum and Coccyx: (a) Anterior View (b) Posterior View The Sacrum and Coccyx: (a) Anterior View (b) Posterior View
Video: Muscular Dystrophy

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