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Did you know?

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.

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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

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Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

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Green tea is able to stop the scent of garlic or onion from causing bad breath.

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Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Levels of organization in a fast contracting frog Levels of organization in a fast contracting frog
16.23 Slow-Wave Sleep Deprivation 16.23 Slow-Wave Sleep Deprivation
(A) Gently squeeze the whole hand between your fingers and palms. (B) Next squeeze each finger ... (A) Gently squeeze the whole hand between your fingers and palms. (B) Next squeeze each finger ...
Gently squeeze along the length of the arm with both hands, moving down the arm from shoulder to ... Gently squeeze along the length of the arm with both hands, moving down the arm from shoulder to ...
Leg pull. Grasp both feet behind the heels, and gently pull legs straight toward you several inches ... Leg pull. Grasp both feet behind the heels, and gently pull legs straight toward you several inches ...
Slow-wave sleep Slow-wave sleep
Video: Frequency of stimulation and force (Recruitment of motor units and force)

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