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Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

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People about to have surgery must tell their health care providers about all supplements they take.

Muscle Strength of the Elbow Muscle Strength of the Elbow
biceps muscle biceps muscle
front muscle figure front muscle figure
Testing the strength of the trapezius muscle against resistance Testing the strength of the trapezius muscle against resistance
Cardiac muscle Cardiac muscle
Example of a coordinated interaction between skeletal muscle tissue and nervous tissue Example of a coordinated interaction between skeletal muscle tissue and nervous tissue
Video: Definition of heart rate

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