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Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

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The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

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The average office desk has 400 times more bacteria on it than a toilet.

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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Micrographs of nerve cells taken with different types of light microscopes. Micrographs of nerve cells taken with different types of light microscopes.
(A) The structure of a neuron, showing the dendrites, nerve cell body, and axon. (B) Photomicrograph (A) The structure of a neuron, showing the dendrites, nerve cell body, and axon. (B) Photomicrograph
(A) The levels of the spinal cord and spinal nerves. (B) Photograph of the spinal cord as it descend (A) The levels of the spinal cord and spinal nerves. (B) Photograph of the spinal cord as it descend
How a local anesthetic blocks nerve conduction. How a local anesthetic blocks nerve conduction.
First-order sensory neuron with free nerve endings First-order sensory neuron with free nerve endings
As a nerve impulse arrives at the synapse, it triggers the release of a chemical neurotransmitter fr As a nerve impulse arrives at the synapse, it triggers the release of a chemical neurotransmitter fr
Video: Role of ATP in muscle movement

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