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Alveoli Formation
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Script: By approximately 32 weeks, true alveoli, or air "pocket" cells, begin developing in the lungs. They will continue to form until 8 years after birth. | ||
| All ages referenced to fertilization, not last menstrual period. One month = 4 weeks. |
4D Ultrasound
4D Ultrasound
Alveoli Formation
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Firm Hand Grasp
Ready for Birth
