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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.

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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

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To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

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Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

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Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Rutherford's gold foil experiment demonstrating that most of the volume of an atom is empty spa Rutherford's gold foil experiment demonstrating that most of the volume of an atom is empty spa
An example of genetic homology: a comparison of a short amino acid sequence within the p53 protein f An example of genetic homology: a comparison of a short amino acid sequence within the p53 protein f
The relationship between the permissible exposure limit (PEL), the short-term exposure limit (STEL), ... The relationship between the permissible exposure limit (PEL), the short-term exposure limit (STEL), ...
How to find the volume and surface area of any triangular prism How to find the volume and surface area of any triangular prism
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Video: Introduction to Pre-eclampsia

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