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Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).
Did you know?
The human body produces and destroys 15 million blood cells every second.
Did you know?
Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.
Did you know?
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.