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Heart and Circulatory System


 

3 weeks

Buy NowFrom The Biology of Prenatal Development.

Script: Ko se pojavijo prve krvne celice v rumenjakovi vrečici, se v zarodku začno oblikovati krvne žilice. Prav tako se razvije tudi srčna cev.

Skoraj istočasno se hitro rastoče srce zvije navznoter in razvijati se začneta ločena srčna prekata.

Srce začne utripati 3 tedne in 1 dan po oploditvi.

Krvni obtok je prvi sistem oziroma skupina med seboj povezanih organov, ki dosežejo funkcionalno stanje.

All ages referenced to fertilization, not last menstrual period.
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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
Embryonic Development
Embryonic Development
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