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Did you know?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
Did you know?
Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.
Did you know?
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
Did you know?
Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.
Did you know?
There are more sensory neurons in the tongue than in any other part of the body.
![Normal development of posture and spinal curves. (A) Toddler: Protruding abdomen; lumbar lordosis. (](https://biology-forums.com/gallery/47/medium_14755_24_09_12_7_41_29_8960395.jpeg)
![Care must be taken in handling bodily fluids to prevent the transfer of infectious agents through co](https://biology-forums.com/gallery/47/medium_18099_24_09_12_10_41_39.jpeg)