The answer to your question would be A. i hope this answer has helped
That would be integumentary system
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Glycogen is <span>type of molecule stores the main source of energy used by animals.
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I hope this helps :)
Angiogenesis plays a critical role in the growth of cancer because solid tumors need a blood supply if they are to grow beyond a few millimeters in size. Tumors can actually cause this blood supply to form by giving off chemical signals that stimulate angiogenesis.
Thanks google