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Human Development


 

7 días

Compre AgoraDe The Biology of Prenatal Development.

Roteiro: Biologically speaking, "human development begins at fertilization," when a woman and a man each combine 23 of their own chromosomes through the union of their reproductive cells.

Todas as idades fizeram referência a fecundação, não ao último período menstrual.
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Human Development
Human Development
Heart and Circulatory System
Heart and Circulatory System
The Folding of the Embryo
The Folding of the Embryo
The Folding of the Embryo
The Folding of the Embryo
Heart Development
Heart Development
The Embryo and Yolk Sac
The Embryo and Yolk Sac
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