BHPY1024 L3

The two main divisions of the nervous system are the ________ and ________.

• brain; spinal cord

• autonomic; somatic nervous systems

• peripheral nervous system; central nervous system

• glands; muscles

A specialized cell that makes up the nervous system that receives and sends messages within that system is called

a ________.

• glial cell

• neuron

• cell body

• myelin sheath

Dendrite is to axon as __________.

• send is to receive

• send is to regulate

• receive is to send

• receive is to release

During action potential, the electrical charge inside the neuron is ________ the electrical charge outside the neuron.

• positive compared to

• larger than

• negative compared to

• smaller than

Agonist is to antagonist as:

• mimic is to block

• block is to mimic