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6 Cards in this Set
- Front
- Back
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Fraternal twin |
When 2 eggs are released at one time and each is fertilized by a different sperm |
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Identical twins |
When a zygote separates in half early in the cleavage (dividing of mitosis for the baby) |
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Placenta |
Provides gas exchange, removal of waste and nutrients for the fetus in the mother |
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Umbilical cord |
Connects the baby to the placenta of the mother and the diffusion process transport the supply’s to and from the the baby *the blood of the mother and baby can not mix* |
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Gestation |
Period of time from the fertilization of the baby to the birth |
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Prenatal development |
Period of time before birth, during this time the expectant mother provide good prenatal care for herself and the baby by taking no drugs and reviving proper medical care to reduce chance of disease in the baby |
