The action of the arrector pili muscle is very similar in humans as it is in other mammals but its beneficial functions differ.

Question

Quizplus · Accepted Answer

While the action of the arrector pili muscle is similar in humans and other mammals, its beneficial functions may differ. For example, in humans it may help with regulating body temperature by causing hairs to stand up, while in other mammals it may help with camouflage or making the animal appear larger to potential predators.

The Action of the Arrector Pili Muscle Is Very Similar