Figure 39-3 Use the Figure to Answer the Corresponding Question(s)

question 19

Multiple Choice

Figure 39-3
Use the figure to answer the corresponding question(s) .
-Which of the following is an example of a positive feedback mechanism?

• A) increase in body temperature when exposed to cold
• B) increased muscle contractions during labor
• C) decreased insulin production in response to low blood sugar
• D) increased respiration rate in response to decreased blood pH
• E) Both choices A and B are correct.

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