The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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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.
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Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
Assessing a person's spiritual and religious beliefs is an imiportant aspect of nursing care