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Did you know?
Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.
Did you know?
Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
Did you know?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
Did you know?
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
Did you know?
There are more sensory neurons in the tongue than in any other part of the body.
![The basal ganglia are clusters of gray matter that control learned movement and are involved with ...](https://biology-forums.com/gallery/28/medium_482573_27_04_17_12_06_50_28445899.jpeg)
![A typical variable cam timing control valve. The solenoid is controlled by the engine computer and ...](https://biology-forums.com/gallery/29/medium_548020_30_05_17_3_43_29_29648118.png)