Close-up of Heart and Liver

#81, Slide 10 of 58

5 weeks, 6 days

From The Biology of Prenatal Development.

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Note:

This rare shot reveals all four chambers of the heart. The short movie clip that accompanies this snapshot allows you to see all four chambers in operation simultaneously if you look carefully!

Label Key:

1. edge of brain

2. umbilical cord

3. four chambers of heart

4. location of diaphragm

5. liver

All ages referenced to fertilization, not last menstrual period.

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