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Did you know?

The average adult has about 21 square feet of skin.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

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Your heart beats over 36 million times a year.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

The three basic body plans of bilaterally symmetrical animals. The three basic body plans of bilaterally symmetrical animals.
Traditional animal phylogeny based on body plans. Traditional animal phylogeny based on body plans.
Selective pressures from the environment influence adaptation Selective pressures from the environment influence adaptation
Producer acquiring energy and nutrients from the environment Producer acquiring energy and nutrients from the environment
A police record search of 250 incoming Grade 10 at a Secondary School shows that 26 had been ... A police record search of 250 incoming Grade 10 at a Secondary School shows that 26 had been ...
Is my concept map correct? (Grade 12 Bio) Is my concept map correct? (Grade 12 Bio)
Video: Electrocardiogram Examination

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