Question 4 Which statement do you think is most important to convey the signific

Question

Question 4 Which statement do you think is most important to convey the significance of the primordial cardiovascular system development? a. The heart and great vessels form from mesenchymal cells in the cardiogenic area. o b. Paired, longitudinal endothelial-lined channels, the endocardial heart tubes, develop during the third week and fuse to form a primordial heart tube. oc. The tubular heart joins with blood vesels in the embryo, connecting stalk, chorion, and yolk sac. o d. The cardiovascular system is the first organ system to reach a functional state e. The heart begins to beat about two weeks after the LNMP

Explanation / Answer

Question 4:

The significance of the primordial cardiovascular system development:

(a) The heart and great vessels from mesenchymal cells in the cardiovascular area.

During the third week, the heart and great vessels form from mesenchymal cells in the cardiogenic area at the head of the embryo. Paired heart tubes develop during the third week and fuse to form a primordial heart tubes which joins with the vessels in the embryo, connecting stalk, chorion and yolk sac.

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