Chapter 19 Flashcards
What is the definition of a response
What your body does in reaction to a stimulus
What is the definition of a reflex
A response that happens automatically
What part of the neuron carries impulses away from the cell body
Axon
What two things can a motor neuron send an impulse to
Gland and muscle
What is the column of nerve tissue that links the brain to the peripheral nervous system
Spinal cord
What does the somatic nervous system control
Voluntary actions
What produces sound
Vibrations
What do the senses of smell and taste detect
Chemicals in the air or in your food
Why is pain an important sensation
Alerts you to any danger
What is a synapse
The junction where one neuron can transfer and impulse to another structure
What division of the nervous system is made up by the brain and spinal cord
Central nervous system
What are the three regions of the brain? what are their functions?
Cerebellum- coordinates the actions of your muscles and helps you keep balance
Cerebrum – interprets input from the senses, controls movement, and carries out complex mental processes
Brainstem – controls your bodies involuntary action
What is a bruise like injury of the brain called
Concussion
What can result from spinal cord injuries
Paralyzed
What fiber carries impulses toward the nerve cell body
Dendrite
