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Home Q & A Board Biology-Related Homework Help Medicine Nursing and Clinical
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vvll vvll
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6 years ago
Which best describes what occurs during the fetal period of development?
 
  a. Maturation of organ systems
  b. Development of basic organ systems
  c. Resistance of organs to damage from external agents
  d. Development of placental oxygen-carbon dioxide exchange
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dua
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#1
6 years ago
ANS: A
During the fetal period, the body systems grow in size and mature in function to allow independent existence after birth. Basic organ systems are developed during the embryonic period. The organs are always at risk for damage from external sources; however, the older the fetus, the more resistant will be the organs. The greatest risk is when the organs are developing. The placental system is complete by week 12, but that is not the best description of the fetal period.
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