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    Biological Science
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    Exam 22: An Introduction to Animal Development
  5. Question
    During Organogenesis,the First Organ System to Begin Forming in Animal
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During Organogenesis,the First Organ System to Begin Forming in Animal

Question 19

Question 19

Multiple Choice

During organogenesis,the first organ system to begin forming in animal embryos is


A) the digestive system.
B) the nervous system.
C) the endocrine system.
D) the circulatory system.
E) the excretory system.

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