Movie Theater
Human Development
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Script: Biologiese gesproke, "begin menslike ontwikkeling met bevrugting", wanneer 23 van die man se chromosome, en 23 van die vrou s'n, tydens die vereniging van hul voortplantingselle bymekaar gevoeg word. | ||
| All ages referenced to fertilization, not last menstrual period. |
Amnion and Germ Layers
Early Embryonic Development
Human Development
Heart and Circulatory System
The Folding of the Embryo
The Folding of the Embryo
