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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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
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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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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.
Retrograde pyelogram. A contrast medium is injected into the ureter using a cystoscope, and the X-ra
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The Secondary Mirror Does Not Create a Hole in the Image
Compressing the breast between plates provides a better image of breast tissue. Regular mammograms ...