From which germ layer do blood cells originate, Biology

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Q. From which germ layer do blood cells originate? What are other organs and tissues made from that germ layer?

Blood cells have a mesodermal embryonic origin and other organs made from mesoderm are covering serous membranes like the peritoneum, the pericardium and the pleura, muscles, cartilages, adipose tissue, dermis, kidneys, ureters, bladder, urethra, gonads, blood and lymph vessels, bones.

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