CNS | PNS | Nerves | SNS and ANS | Endocrine System |
---|---|---|---|---|
Central Nervous System
What does CNS stand for?
|
Peripheral Nervous System
What does PNS stand for?
|
Neuron
What is the name of a cell that makes up a nerve?
|
Autonomic Nervous System
What does ANS stand for?
|
Hormones
What is the name of the kind of chemicals the endocrine system uses to control activities in your body?
|
Brain and spinal chord
What two parts make up the CNS?
|
The outside edge or part of something
What does the word "peripheral" mean?
|
Neurotransmitters
What is the name of the chemicals released when a signal reaches the end of an axon?
|
Somatic Nervous System
What does SNS stand for?
|
Glands
What kind of organ are most of the organs in the endocrine system?
|
They increase surface area for neurons
How are the folds and bumps in your cerebral cortex beneficial?
|
Nerves
What is the PNS made up of?
|
Nucleus (receives and sends info), dendrite (gathers info), axon (sends info)
Name the 3 main parts of a neuron, and their direction of information flow.
|
Involuntary actions
What type of actions does the ANS control?
|
Affects the rate at which your cells use energy (metabolism)
What does the thyroid gland do to your body?
|
Cerebellum, brain stem, and cerebrum
What are the three main parts of the brain?
|
The CNS
Where do the nerves in the PNS originate from?
|
Myelin sheath
What is the name of a fatty tissue that makes info travel faster down an axon?
|
Voluntary actions
What type of actions does the SNS control?
|
Epinephrine
What hormone do the adrenal glands release?
|
The cerebral cortex
What is the name of the outer part of the cerebrum?
|
24 from the brain, and 62 from the spinal chord
How many nerves come from the brain, and how many come from the spinal chord?
|
Synapse
What is the term for the empty space between the axon terminal of one neuron, and the dendrite of another?
|
Sensory neurons
What neurons are first stimulated that eventually lead to the SNS operating and moving the body?
|
Homeostasis
What state is the body always trying to achieve? (A stable, healthy condition)
|