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The Endowment for Human Development
The Endowment for Human Development
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The Heart in Action


4 weeks, 4 days

From The Biology of Prenatal Development.Buy Now

Script: Srce po pravilu kuca sa oko 113 otkucaja u minuti.

Obratite pažnju na to kako srce menja boju kada krv uđe odnosno izađe iz komora nakon svakog otkucaja.

Ovo srce će kucnuti otprilike 54 miliona puta do trenutka rođenja i više od 3,2 milijarde puta u toku života dugog 80 godina.

All ages referenced to fertilization, not last menstrual period.
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Body Cavity Formation
Body Cavity Formation
Amniotic Fluid
Amniotic Fluid
The Heart in Action
The Heart in Action
The Limbs Bud
The Limbs Bud
Transparent Skin
Transparent Skin
Cerebral Hemispheres
Cerebral Hemispheres
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