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Did you know?
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.
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
Medication errors are more common among seriously ill patients than with those with minor conditions.
Did you know?
The longest a person has survived after a heart transplant is 24 years.
Did you know?
Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

