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Biology
Anatomy and Physiology
Quiz 47: Growth and Development
At What Age Do Girls Generally Begin to Menstruate
Question 28
Multiple Choice
At what age do girls generally begin to menstruate? A) 10 B) 12 to 13 C) 14 D) 15 to 16
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Fraternal twins: A) have only one placenta. B) have two placentas. C) must always have the same biological father. D) are genetically identical.
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During infancy, the lumbar curvature appears between the _____ months. A) second and fourth B) fourth and sixth C) sixth and tenth D) twelfth and eighteenth
Q 31
An infant is able to follow a moving object with its eyes by the end of the _____ month. A) first B) second C) third D) fourth
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