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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.
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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.