1. Introduction to Anatomy & Physiology
Feedback Loops: Positive Feedback
Multiple Choice
Multiple ChoiceWhich of the following is an example of a positive feedback loop?
A
The body increasing heart rate after a drop in blood pressure.
B
The body shivering to increase temperature on a cold day.
C
The action of platelets to form a blood clot when you get a paper cut.
D
Parathyroid hormone signaling bone to release calcium when calcium levels are low.
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