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Author Question: Some archeologists claim that agriculture may have appeared first in Nubia rather than in the lower ... (Read 19 times) |
The familiar sounds of your heart are made by the heart's valves as they open and close.
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.
Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
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.