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There are more sensory neurons in the tongue than in any other part of the body.
Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.
To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.
Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.
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.
![The urinary system: kidneys, ureters, bladder, and urethra with expanded view of a nephron and the u](https://biology-forums.com/gallery/47/medium_14755_05_10_12_4_15_35_92751702.jpeg)
![Urinalysis. During a simple urinalysis, a stick with colored blocks is dipped into a urine specimen.](https://biology-forums.com/gallery/47/medium_14755_26_10_12_5_21_07_96732306.jpeg)