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Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.
The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.
Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.
More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.
Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.
![Skull of an Oriental giant squirrel (genus Ratufa) - note the classic sciuromorphous shape of the an](https://biology-forums.com/gallery/47/medium_27692_23_04_12_3_36_52.jpeg)
![Spiral Produced by twisting stresses that are spread along the length of a bone (note the break in t](https://biology-forums.com/gallery/47/medium_14755_24_09_12_7_46_02_8966120.jpeg)