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Home Q & A Board Biology-Related Homework Help General Biology
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tyressjones tyressjones
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6 years ago
Which of the following is an example of a positive feedback loop?
A) A hummingbird maintaining a constant internal body temperature
B) A person altering her breathing rate to keep blood pH between 7.35 and 7.45
C) Stress altering the normal menstrual cycle, which delays menstruation, which causes more stress
D) The kidney retaining water when the organism becomes dehydrated
Textbook 
Biology: Life on Earth

Biology: Life on Earth


Edition: 10th
Authors:
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CellarCellar
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6 years ago
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tyressjones Author
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6 years ago
Person Raising Both Hands in Celebration
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