Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.
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In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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There are 60,000 miles of blood vessels in every adult human.
Structure of fish gills.
Structure of a typical animal cell
Pulmonary function test: spirometry. (a) Normal respiratory volumes, as measured during spirometry.