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What are the major features of embryonic...

What are the major features of embryonic development By the end of 24 weeks (second trimester) of pregnancy?

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### Step-by-Step Text Solution: 1. **Introduction to Embryonic Development**: - By the end of 24 weeks, which marks the completion of the second trimester of pregnancy, significant changes occur in embryonic development. 2. **Heartbeat and Organ Development**: - During the first trimester, the embryo develops a heartbeat, and major organs begin to form. By the end of the second trimester, these organs continue to mature and function more effectively. ...
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