5 Written questions
5 Multiple choice questions
- at the end of the axon, these small fibers branch out
- is made up of nerve cells that send messages between the CNS and other parts of the body
- is a column of nerves about as thick as a thumb that extends from the brain down the back. It's protected by the bones of the spine and transmits messages between the brain and the muscles and glans in the body
- transmits sensory messages to the central nervous system. Its function is to carry messages from voluntary muscles and sense organs
- regulates the body's vital functions, such as heartbeat, breathing, digestion, and blood pressure; we generally do not think of these activities
4 True/False questions
dendrites → are nerve cells that run through our entire bodies and communicate with each other; each of us has 100 billion of these, most of which are in the brain
cell body → produces energy that fuels the neuron's activity
axon → transmits messages away from the cell body; a neuron usually has only one axon; they vary greatly in length.
myelin → transmits messages away from the cell body; a neuron usually has only one axon; they vary greatly in length.