In a neuron, the structures that receive messages are called _______

Most girls reach their maximum height by age ______, and most boys reach their maximum height by age ______

14; 16 16; 14 16; 18 18; 16

In classical conditioning the stimulus that normally evokes an automatic response without new learning is called the _____________

A) conditioned stimulus B) reflexive stimulus C) unconditioned stimulus D) orienting stimulus