The erythrocyte count increases after a while when an individual goes from a low to a high altitude because: the temperature is lower at higher altitudes. the basal metabolic rate is higher at high altitudes. the concentration of oxygen and/or total atmospheric pressure is higher at higher altitudes. the concentration of oxygen and/or total atmospheric pressure is lower at high altitudes.

answer:   option a) glucagon was secreted by his pancreas before he ate the cookies because blood glucose was low. insulin was secreted after he ate the cookies because his blood glucose was high.

explanation:

answer; i believe the answer is (polygenic inheritance;

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