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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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Green tea is able to stop the scent of garlic or onion from causing bad breath.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.
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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.