What is the Nervous System? Lesson 4
Tells you what is going on in the world around you
the nervous system
Which part of a neuron receives messages from other neurons?
dendrites
The peripheral nervous system is made up of
neurons and other nervous parts
If a person has a head injury and the cerebellum is damaged, what might the consequences be?
trouble maintaining balance
Is blinking a voluntary or involuntary action?
It can be both
What are the parts of the nervous system?
nerves, spinal cord, brain, and sense organs
How is the spinal cord like a telephone line?
Information passes back and forth from the body to the brain and from the brain to the body in the same way voice messages pas back an forth through a telephone line.
The 3 major parts of the brain
the cerebrum, the cerebellum, and the brain stem
A major function of the nervous system is to control voluntary actions such as...
chewing, walking, talking
How does the function of the cerebrum compares with the function of the brain stem?
the cerebrum controls voluntary movements whereas the brain stem controls involuntary actions
What happens if you cannot tell that something hurts?
you could suffer serious injuries (burn while touching a hot stove because you would not know to stop)
What is the function of the spinal cord?
to carry messages between other parts of the body and the brain
What is the function of the cerebrum?
What part of the brain contols voluntary actions?
the cerebrum
What are the 5 senses?
sight, hearing, smell, touch, and taste
Another name for nerve cell
neuron
The 2 main parts of the nervous system
the central nervous system (CNS) and the peripheral nervous system (PNS)
What is the function of the cerebellum?
it controls balance and posture
Another part of the function of the nervous system is to control involuntary actions such as...
the beating of your heart
A serious disorder which affects how a person thinks, feels and acts. Someone may have difficulty distinguishing between what is real and what is imaginary; may be unresponsive or withdrawn; and may have difficulty expressing normal emotions in social situations.
Schizophrenia
Three parts of a neuron
a cell body,an axon,and dendrites
What makes up the central nervous system?
The brain and the spinal cord
What is the function of the brain stem?
controls blood pressure,heartbeat, breathing and digestion
Why are reflexes important?
can help keep you from being injured
Direct transference of thought from one person to another without using the usual sensory channels of communication, hence a form of extrasensory perception (ESP).
Mental telepathy