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Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Body Cavities Body Cavities
Chain of infection Chain of infection
Sites for and causes for infection Sites for and causes for infection
Some playgrounds near streets with heavy traffic may still have high levels of lead from gasoline ... Some playgrounds near streets with heavy traffic may still have high levels of lead from gasoline ...
A Hypothesis Can Lead to a Scientific Consensus A Hypothesis Can Lead to a Scientific Consensus
Results of a cross involving two genes located on the same chromosome Results of a cross involving two genes located on the same chromosome
Video: Muscular System Animation

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