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Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

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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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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

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Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Volvulus. A length of small intestine has twisted around itself, cutting off blood circulation to th Volvulus. A length of small intestine has twisted around itself, cutting off blood circulation to th
3D Plant Layout - Side View for Dual-Stage Pressure Production of Nitric Acid 3D Plant Layout - Side View for Dual-Stage Pressure Production of Nitric Acid
A technician-made adapter used to test exhaust system back pressure. A technician-made adapter used to test exhaust system back pressure.
Apply direct pressure along upper trapezius, turning the head to access the area. Use your thumb to ... Apply direct pressure along upper trapezius, turning the head to access the area. Use your thumb to ...
Apply thumb pressure to points along the spine bilaterally from superior or inferior. Keep your ... Apply thumb pressure to points along the spine bilaterally from superior or inferior. Keep your ...
Normal white blood cell and a white blood cell undergoing apoptosis Normal white blood cell and a white blood cell undergoing apoptosis
Video: Mitochondrial Structure & ETC Protein Complexes (Protein Complexes and Electron Transport)

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