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the baby is about 3 centimeters long. the lungs, heart, and spinal chord begin to develop, and the heart will begin to beat. the baby will weigh 0.03 ounces.
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The embryo begins to take the shape of a baby.
Plan projects on a visual timeline
Map milestones, phases, deadlines, and key events in one place so the sequence is easier to see and share. Timetoast is a timeline maker for work, school, research, and stories.