Question

Assigned as Homework O For a paper cut, our body would need to stop the blo... For a paper cut, our body would need to stop the blood loss through coagulation (blood clot). During coagulation, a biochemical signal is detected and then amplified until the blood vessel is sealed and stops leaking blood. What type of homeostatic regulation is this? O A Negative Feedback O B Positive Feedback C Neutral Feedback O D All of the above

Answer 1

B. positive feedback

At the injured site, the platelets accumulate and get entrapped in the mesh network of fibrin. The chemicals released by platelets attract more platelets which pile up and release chemicals until a clot is formed.