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The endocrine system incorporates feedback mechanisms that maintain homeostasis. which of the following demonstrates negative feedback by the endocrine system? a. during labor, the fetus exerts pressure on the uterine wall, including the production of oxytocin, which stimulates uterine contraction. the contractions cause the fetus to push on the uterine wall , increasing production of oxytocin. b. after a meal, blood glucose levels become elevated, stimulating beta cells of the pancreas to release insulin into the blood. excess glucose is then converted into glycogen in the liver, reducing blood glucose levels. c. at high elevations, atmospheric oxygen is more scarce. in response to signals that oxygen is low, the brain decreases an individual’s rate of respiration. d. a transcription factor binds to the regulatory region of a gene, blocking the binding of another transcription factor required for expression.
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The endocrine system incorporates feedback mechanisms that maintain homeostasis. which of the follow...
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