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Mesoderm
mesodermmesoderm
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The Heart
mesodermmesoderm
Cardiac
The middle layer is formed during the gastrulation. This layer develops into muscles, bones and blood vessels.
Smooth muscle tissue has longitudinally and circularly arranged layers.
It's the circulatory system
circulatory system
O indeed it is(: Yourwelcomee! By:H.B.
circulatory system