CNS/PNS
What does the CNS stand for?
Central Nervous System
Feeling the cold of ice cream
Sensation
What is the difference between a nerve and a neuron?
Neurons are individual nerve cells while nerves are bundles of neurons.
What are the 3 main parts of the brain called?
Cerebrum, Cerebellum, and Brain Stem
What structure connects the brain to the rest of the body and transmits signals?
Spinal Cord
What does the PNS stand for?
Peripheral Nervous System
Moving your tongue to lick the ice cream
Motor Output
What is a nerve impulse?
The message that a neuron carries
How many hemispheres is the brain divided into?
2
What organ is the control center of the nervous system?
Brain
What parts of the body does the CNS include?
Brain and spinal cord
Your brain decides that a snake is dangerous
Integration
PICTURE QUESTION
1, 2, 5, 8
1. Dendrite
2. Soma
5. Axon Terminals
8. Nucleus
True or False: The right side of the brain controls the left side of the body and vice versa.
True
What is the function of a motor neuron?
Sends messages from the brain to muscles and glands to tell them to move or produce something.
What parts of the body are included in the PNS?
Peripheral nerves
Nerves that lie outside the CNS
You run from a scary snake
Motor Output
Name at least one function of neurons.
Bonus points for naming all three.
1. Recieving sensory input from the external world
2. Sending motor commands to muscles
3. Transforming and relaying the electrical signals at every step in between
What part of the brain is responsible for thinking and memory?
Cerebrum
What is the function of a sensory neuron?
To send messages from the senses to the brain
What is the function of the Central Nervous System?
Brain controls most bodily functions
Spinal Cord carries the signals between the brain and peripheral nerves
You see a bear, your brain decides that the bear is a threat, you run from the bear!
Sensation, Integration, Motor Output
In which direction do nerve impules travel? From which part to which part?
Dendrites to Axon Terminals
What part of the brain helps with balance and coordination?
Cerebellum
If a person is wacked on the back of the head, what might happen and what part of the brain is affected?
Their vision might be imparid because the occipital lobe is being effected.