Biology, 28.10.2019 23:31 Akkenson17871

Which of the following is an example of a positive feedback? a.a low level of oxygen in the blood triggers production of red blood cells, which transport oxygen.b. an increase in blood sugar level stimulates the pancreas to secrete insulin, which lowers blood sugar level.c.a tear in the lining of a blood vessel triggers the accumulation of blood platelets, which cause blood to clot.

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Which of the following is an example of a positive feedback? a.a low level of oxygen in the blood t...