Indicate which of the following best illustrates the concept of positive feedback? The concept of negative...

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Medical Sciences

  1. Indicate which of the following best illustrates theconcept of positive feedback? The concept of negative feedback?Make sure to justify your answer.

  1. An increase in the concentration of H+ in blood causesan increase in H+ excretion in the urine.

  2. An increase in the carbon dioxide concentration of theblood stimulates breathing, which increases the rate at whichcarbon dioxide is eliminated from the body.

  3. Contractions of the uterus push the fetus against thecervix, which triggers release of oxytocin into the bloodstream.Oxytocin then stimulates stronger contractions of theuterus.

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3.7 Ratings (478 Votes)
Negative feedback mechanism It responds to the change detected and produces an effect opposite to the change detectedThe system reacts in such a way to arrest the change or reverse the direction of change The    See Answer
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