Ln the early development of human embryo, the skeleton is made almost entirely of​

The skeleton consists of bone developing from mesoderm, except within the head where neural crest also contributes connective tissues. Each tissue (cartilage, bone, and skeletal muscle) goes through many different mechanisms of differentiation.

Explanation:

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it's not c. i took the quiz and got it wrong. so my best guess is b.

have a great day, and hope this .

answerblank(1) epidermis; blank(2); dermis;