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The Endowment for Human Development
The Endowment for Human Development
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Heart and Circulatory System


3 weeks

From The Biology of Prenatal Development.Buy Now

Script: Chekutanga nhengo dzeropa dzinotanga kuonekwa mukatimezai riye, tsinga dzeropawo dzinotanga mukati mese me "embryo", nekutanga kwenhengo dzemwoyo.

Pakare ipapo, mwoyo unotanga kukura wotanga kupetana uye nhengo dzemwoyo dzotanga kukura.

Mwoyo wototanga kurova masvondo matatu nezuvarimwechete muchangosangana.

Nhengo dzinofambisa ropa ndidzo dzinotanga kugadzirwa, pano tinoreva zvese zvekufambisa ropa, kuti muviri urarame.

All ages referenced to fertilization, not last menstrual period.
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Early Embryonic Development
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Heart and Circulatory System
Heart and Circulatory System
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The Folding of the Embryo
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