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.
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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.
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The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
Deducing genotypes of crossed parents
A quality assurance (QA) committee meeting.
A medical assistant at a QA meeting.
Elizabeth Murray, Bop.
Frequency diagrams of skin colors. (a) Skin color distribution in the parents falls into two discont