Movie Theater
Circadian Rhythms
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Script: 從19週起，胎兒運動、 呼吸活動 和心搏率以一日為周期， 叫做晝夜節律。 | ||
| All ages referenced to fertilization, not last menstrual period. One month = 4 weeks. |
4D Ultrasound
Bronchial Tree
Circadian Rhythms
Responds to Sound
Skin and Hair
Age of Viability
