Inquiry into Life 14th Edition by Sylvia Mader,Michael Windelspecht

Exercise 12

Choose the best answer for each question.
15) Which of the following is an example of negative feedback?
A) Air conditioning goes off when room temperature lowers.
B) Insulin decreases blood sugar levels after eating a meal.
C) Heart rate increases when blood pressure drops.
D) All of these are examples of negative feedback.