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Did you know?
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
Did you know?
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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Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.
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The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
![Details of plant population biology from repeat photography: (a) saguaro cactus in MacDougal Crater,](https://biology-forums.com/gallery/47/medium_33_17_02_12_6_59_59_20201820.jpeg)
![Details of plant population biology from repeat photography: (a) saguaro cactus in MacDougal Crater,](https://biology-forums.com/gallery/47/medium_33_17_02_12_6_59_59_2022115.jpeg)