CNS PNS Nerves SNS and ANS Endocrine System
100
Central Nervous System
What does CNS stand for?
100
Peripheral Nervous System
What does PNS stand for?
100
Neuron
What is the name of a cell that makes up a nerve?
100
Autonomic Nervous System
What does ANS stand for?
100
Hormones
What is the name of the kind of chemicals the endocrine system uses to control activities in your body?
200
Brain and spinal chord
What two parts make up the CNS?
200
The outside edge or part of something
What does the word "peripheral" mean?
200
Neurotransmitters
What is the name of the chemicals released when a signal reaches the end of an axon?
200
Somatic Nervous System
What does SNS stand for?
200
Glands
What kind of organ are most of the organs in the endocrine system?
300
They increase surface area for neurons
How are the folds and bumps in your cerebral cortex beneficial?
300
Nerves
What is the PNS made up of?
300
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.
300
Involuntary actions
What type of actions does the ANS control?
300
Affects the rate at which your cells use energy (metabolism)
What does the thyroid gland do to your body?
400
Cerebellum, brain stem, and cerebrum
What are the three main parts of the brain?
400
The CNS
Where do the nerves in the PNS originate from?
400
Myelin sheath
What is the name of a fatty tissue that makes info travel faster down an axon?
400
Voluntary actions
What type of actions does the SNS control?
400
Epinephrine
What hormone do the adrenal glands release?
500
The cerebral cortex
What is the name of the outer part of the cerebrum?
500
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?
500
Synapse
What is the term for the empty space between the axon terminal of one neuron, and the dendrite of another?
500
Sensory neurons
What neurons are first stimulated that eventually lead to the SNS operating and moving the body?
500
Homeostasis
What state is the body always trying to achieve? (A stable, healthy condition)






Nervous and Endocrine Systems

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