Vocabulary
What is stimulus?
A change in an organisms environment that causes a response
What can damage the nervous system?
Disease and infection, but the most common is caused by physical injury
What does CNS represent
Central nervous system
What is the central nervous system?
Made up of the brain and spinal cord
How many parts does the peripheral nervous system have?
Two the aromatic and automatic system
What is the Cerebrum?
Part of the brain, that controls, memory language, and thought
Why are reflexes fast?
Because in most cases, the information goes to only to the spinal cord, not to the brain
What does PNS represent
Peripheral nervous system
What does the brain do in the central nervous system?
Your brain receives information, processes it, and send out a response
What does the somatic system do?
It controls, skeletal muscles and communicates between the CNS and the skeletal musscles
What is the Brainstem
The area of the brain that controls involuntary functions
What do drugs do to the nervous system?
Speed up or slow down the communication between neurons
What is three main parts of the brain?
Brainstem, cerebellum and cerebrum
What does the cerebrum do?
the cerebrum processes touch and visual information, and its largest most complex part of the brain
What does the autonomic system do
What controls, smooth muscles and cardiac muscles and it also regulates involuntary muscle movement
What are neurons
The basic functioning units of the nervous system
What is an example of homeostasis being maintained?
When you shiver
How might a spinal cord injury prevent movement
It can leave you paralyzed and unable to walk
What does the cerebellum do
It stores, information about movements that frequently happen
What type of neurons does the peripheral nervous system have?
Sensory neurons
What is the cerebellum?
The part of the brain that coordinates voluntary muscle movement, and regulates balance and posture
What systems work with the nervous system?
Endocrine, digestive and circulatory system
What is the most important part of the nervous system?
The brain
What does the brainstem do?
This controls involuntary movements while the spinal cord controls voluntary movement
What is the neuron that is in the peripheral nervous system
Motor neurons