fun facts
Why didn’t the spinal cord try out for the school play?
He was too NERVOUS!
There are this many glial cells for every neuron in the nervous system
What is ten
These are the two general types of nervous system cells
What are nerves and glial cells/ Neuroglia
Electrical signals make your muscles move also called this
What is motor output
The neurons in the brain are some of the _________ lived cells
What is longest
Less than 20% of nervous tissue is made of this.
What is empty space
The name for the brain and the spinal cord in the nervous system
What is the central nervous system
The number of types of glial cells in the central nervous system
What is four
Sensory input is sent from the sensory receptors to this
What is integration
Neurons send and receive these to know what to do
What are electrical signals
Less than 20% of nervous tissue is made of this.
What is empty space
Name for the network of nerves and Neuroglia outside of the CNS (central nervous system)
What is the peripheral nervous system
The number of types of glial cells in the peripheral nervous system
What is two
This division of the peripheral nervous system is responsible for freak-out reactions to sensory input and reflexes
What is the sympathetic division
Once neurons assume their jobs in your nervous system they cannot do this
What is divide
These are the two different kinds of movements the nervous system controls
What are voluntary and involuntary
The glial cells oligodendrocytes and Schwann cells both form this protective layer around neurons
What is the myelin sheath
This glial cell connects neurons to their blood supply in the central nervous system
What are astrocytesm
This division of your peripheral nervous system is responsible for calming you down after a freak-out response
What is the parasympathetic division
These are the signals neurons receive
What are sensory and motor
This is what gives your muscles the instructions to do what they need to
What are electrical signals
Astrocytes and satellite cells both connect neurons to this
What is blood supply/ what are capillaries
the cells that do the job of astrocytes in the peripheral nervous system
What are satellite cells
This part of the nervous system responds to the command given by the other part of the nervous system
What is the peripheral nervous system
These are protected by the myelin sheath
What are neurons