| | | 覧 | Certain movements in the larynx are similar to that of speaking. (4 months, 2 wks) | | 覧 | A greasy white substance protects the skin from the amniotic fluid. (4 months, 2 wks)  | | 覧 | Movement, breathing, and heart rate follow daily rhythms. (4 months, 3 wks)  | | 覧 | Hearing begins, as does response to sound. (5 months)  | | [ More Events ] | New Journal Entry | | 覧 | All skin layers and structures are complete. (5 months)  | | 覧 | The eyelids separate, and eyes open and close. (5 months)  | | 覧 | Rapid eye movement occurs, just like adults when they dream. (5 months) | | [ Less Events ] | New Journal Entry |
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