Homeostasis?
Biology
Level
1
In terms of the homeostatic actions committed by the human body, which of the following is a an example of positive feedback?
Clotting cascade
Blood pressure increase
Temperature decrease of body
Blood sugar increase
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1 solution
"...good example of a positive feedback mechanism is blood clotting. Once a vessel is damaged, platelets start to cling to the injured site and release chemicals that attract more platelets. The platelets continue to pile up and release chemicals until a clot is formed."
Extracts from Homeostasis: positive/ negative feedback mechanisms