Reading Chapter 28
Identify the letter of the choice that best completes the statement or answers the question.
____ 1. What is the smallest structural and functional unit of the nervous system?
____ 2. When an action potential reaches the end of a neuron at a chemical synapse, it triggers the release of
____ 3. What is the function of neurotransmitters?
____ 4. The region of the brain that regulates hunger is the
____ 5. Which of the following general categories of sensory receptors are located everywhere in the body except the brain?