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Did you know?
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
Did you know?
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Did you know?
The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.
Did you know?
Medication errors are three times higher among children and infants than with adults.
Did you know?
More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.
![This young boy with muscular dystrophy needs to receive tube feedings and home nursing care. He atte](https://biology-forums.com/gallery/47/medium_14755_30_09_12_4_32_25_9134396.jpeg)
![A gauge reading with the needle fluctuating 3 to 9 inches Hg below normal often indicates a vacuum ...](https://biology-forums.com/gallery/29/medium_548020_30_05_17_4_15_51_296852374.png)