Which hormone is produced in the stomach, and is associated with feelings of hunger?

In his research into the personality traits of animals, Samuel Gosling found that ________ are the most similar to human beings

a) chimpanzees b) octopuses c) dogs d) white rats

Myelin sheathes serve a function to axons that is most similar to which of the following?

A) How electric fences contain animals B) How microphones allow sounds to be heard C) How coats warm cold people D) How our hearts keep beating