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Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

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The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

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When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Arrector pili muscle Arrector pili muscle
Concentric and Eccentric Muscle Actions Concentric and Eccentric Muscle Actions
Injecting the ventrogluteal muscle. Injecting the ventrogluteal muscle.
The patellar reflex. (A) Striking the patellar ligament excites the quadriceps muscle spindles.(B) ... The patellar reflex. (A) Striking the patellar ligament excites the quadriceps muscle spindles.(B) ...
Production of ATP in Skeletal Muscle Production of ATP in Skeletal Muscle
How skeletal muscle activity encourages blood flow through veins How skeletal muscle activity encourages blood flow through veins
Video: Central Nervous System Animation

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