Nervous System

Front

What is a short branched extension of a neuron that receives impulses from other neurons?

Back

dendrite

Front

What is the space between two neurons?

Back

synapse

Front

What is a long cell fiber in the nervous system that transfers messages (labeled #4)?

Back

axon

Front

Messages transfer ________________ across the neuron.

Back

Electrically

Front

Messages transfer ________________ across the synapse.

Back

Chemically

Front

________________ are quick involuntary actions to a stimulus like a hot iron.

Back

reflexes

Front

Why are injuries to the spinal cord so serious?

Back

Brain cells cannot be replaced.

Front

The CNS (central nervous system) is made up of the _______________ & _________________.

Back

brain and spinal cord

Front

What make(s) up the peripheral nervous system?

Back

nerves

Front

What is the part of the brain responsible for reasoning, and use of the senses? Options: cerebrum, cerebellum, brain stem, hypothalamus

Back

cerebrum