Question

is human circulatory system mesodermal orgin?​

Answer 1

Answer:

In the embryo, formation of the heart begins in the pharyngeal, or throat, region. The first visible indication of the embryonic heart occurs in the undifferentiated mesoderm, the middle of the three primary layers in the embryo, as a thickening of invading cells.

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Answer 2

Answer:

The mesoderm is one of the three germinal layers that appear in the third week of embryonic development .It is formed through a process called gastrualation .The lateral plate mesoderm give rise to the heart , blood vessels , and blood cells of the circulatory system as well as to mesodermal components of the limbs.

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