Vocab
This disease is an inflammation of the spinal and cranial meninges caused by bacterial or viral infection.
Meningitis
These send out messages from the brain and spinal cord to the rest of the body.
Neurons
The ____ receives messages from the nerves in the PNS, interprets them, and then sends out a response
CNS
The PNS gathers information from inside and _________ your body
Outside
How many divisions does the brain have?
3
An automatic response that occurs very rapidly and without conscious control.
Reflex
Nerve Impulse
The CNS consists of what 2 things?
Brain and Spinal Cord
Which of the following controls involuntary functions?
A) Autonomic Nervous System
B) Somatic Nervous System
A) Autonomic Nervous System
Which part of the brain coordinates movements of the skeletal muscles and maintains the body's posture?
Cerebellum
These are made up of a bundle of nerve fibers
Nerves
This is what the body does as a reaction to a stimulus
Response
_________ ________ carry messages from receptors in the body to the CNS
Sensory Neurons
Which system slows down your body functions during periods of rest to conserve energy?
Parasympathetic Nervous System
What is the largest and most complex part of the brain?
Cerebrum
Any change in the environment that can make an organism respond
Stimulus
Thick column of nerve tissue that links the brain to most of the nerves in the PNS
Spinal Cord
___________ ________ carry messages from the CNS back to the muscles or glands in response to an impulse
Motor Neurons
________ _______ involves voluntary responses that are under your control
Somatic Nervous System
What part of the brain connects the spinal cord to the rest of the brain?
Brain Stem
Threadlike extensions that carry impulses toward the cell body
Dendrite
What 3 things make up a neuron?
Cell Body
Dendrite
Axon
_________ ________ communicate with and connect other neurons
Interneurons
Name the 2 sub-systems of the PNS
Autonomic Nervous System
Somatic Nervous System
The brain has 4 "lobes." Which "lobe" controls voluntary movements and is possibly involved with intellect and personality?
Frontal Lobe