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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?
In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.