Biology, 07.03.2020 04:20 tatilynnsoto17
Damaged tissue releases chemicals that activate platelets and stimulate the formation of blood clots. Which of the following predictions about the activity of platelets best describes a positive feedback mechanism?A. Activated platelets release chemicals that inhibit blood clot formation. B. Activated platelets release signaling molecules that inhibit cell division in damaged tissue. C. Activated platelets constrict the blood vessels, stopping blood flow. D. Activated platelets release chemicals that activate more platelets.
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