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?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
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Medication errors are more common among seriously ill patients than with those with minor conditions.
Did you know?
Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.
The Periodic Table
Periodic Table
Distribution of Rods and Cones on the Retina
Biodiversity and the unevenly distribution on the planet