Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
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Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.
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Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.
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Excessive alcohol use costs the country approximately $235 billion every year.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
The types of skeletal movement. (A) Flexion and extension of left forearm. (B) Flexion and extension ...
