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Structures and Functions of Living Organisms and Genetics › View

Which best explains how the nervous system controls the skeletal system?

A. The brain protects the skull.

B. The brain stores calcium for bones.

C. The brain produces red blood cells for bones.

D. The brain sends messages to the muscles to move bones.

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Pediatric Cardiology › View

A newborn ECG will demonstrate

A. left axis deviation

B. right axis deviation

C. extreme left axis deviation

D. left atrial enlargement

E. right atrial enlargement with 1st degree AV block

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