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Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

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).

Did you know?

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.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Regulation of muscle contraction by tropomyosin and troponin Regulation of muscle contraction by tropomyosin and troponin
Arrector pili muscle Arrector pili muscle
Frog muscle - depressor mandibulae, latissimus dorsi (labeled) Frog muscle - depressor mandibulae, latissimus dorsi (labeled)
Muscle Fiber Recruitment and Muscular Force Muscle Fiber Recruitment and Muscular Force
One Minute Sit-up Test for Abdominal Muscle Strength and Endurance. One Minute Sit-up Test for Abdominal Muscle Strength and Endurance.
Muscle Tissue Muscle Tissue
Video: Fertilization and Development

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