By week ___, all of the major organs and organ systems are present, though not fully functional.
A) 2
B) 4
C) 6
D) 8

Name: By week ___, all of the major organs and organ systems are present, though not fully functional. A) 2 B) 4 C) 6 D) 8
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By week 8 of embryonic development, all major organs and organ systems are present, although they are not yet fully functional. This marks the end of the embryonic period and the beginning of the fetal period.

By Week ___, All of the Major Organs and Organ