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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
In 1864, the first barbiturate (barbituric acid) was synthesized.
Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.
The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.
About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.
![Effleurage over sternum. Apply with the palm of the hand between breast tissue. Omit this technique ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_1_14_05_3310027.jpeg)
![Circular clockwise pattern. Gently lay a hand on the abdomen to establish contact. Apply effleurage ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_1_14_06_331032433.jpeg)