Biology · Human Anatomy and Physiology
During human embryology, which organ system is the very first to develop and become functionally active in the growing embryo?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Cardiovascular system✓
- 2Nervous system
- 3Respiratory system
- 4Gastrointestinal system
Correct answer
Cardiovascular system
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