Movie TheaterSections of the Brain |
| Buy NowFrom The Biology of Prenatal Development. |
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Script: By 3 weeks the brain is dividing into 3 primary sections called the forebrain, midbrain, and hindbrain. Development of the respiratory and digestive systems is also underway. |
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All ages referenced to fertilization, not last menstrual period.
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Sections of the Brain
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Body Cavity Formation
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Amniotic Fluid
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The Heart in Action
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The Limbs Bud
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Transparent Skin
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