When you go outside on a hot summer day, your body temperature heats up above the normal range. Receptors in your brain detect the change in body temperature. The brain activates nerve cells that send messages to sweat glands, causing the body temperature to fall as the sweat evaporates from the skin. What part of this feedback loop is the effector?
A) sweat glands
B) brain
C) nerve cells
D) increased body temperature

Question

Quizplus · Accepted Answer

The effector in a feedback loop is the component that carries out the response to bring the system back to its set point. In this case, the sweat glands are the effectors as they produce sweat to cool the body down.

When You Go Outside on a Hot Summer Day, Your