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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: Ngalesikhatsi tinhlayiya tengati tekucala tivela esikhwameni semtfubi welicandza, kwakheka imitsambno yengati kuyo yonkhe i-embriyo, futsi kucalisa nekubonakala inhlitiyo lemisiphasipha.

Masinyane emvakwaloko, inhlitiyo lekhula masinyane iyatisonga ivaleke ibe ngemagumbi lehlukene icalise kwakheka.

Inhlitiyo icalisa kushaya emavikini la-3 nelilanga linye ngemuva kwekwakheka kwembewu yemuntfu.

Luhlelo lwekuhamba kwengati luhlelo lwekucala lwemtimba, kumbe licembu letitfo temtimba letihambisanako, lolucalisa kusebenta.

All ages referenced to fertilization, not last menstrual period.
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