telegraph
hormonal
proteins
electrical impulses
they help carry oxygen to different parts of your body
they do not have a nucleus
they are very long compared to other cells in the body
they regenerate very quickly
100 miles per hour
1 foot per second
150 meters per second
1 meter per second
wire
the brain
nerve
muscle
10 years
1 year
100 years
1 month
multipolar neurons
pyramidal neurons
Purkinje neurons
bipolar neurons
True or False: Damage to your nervous system can cause paralysis.
all of the above
brains
a nerve
spinal cord
muscle cells
skin cells
stem cells
liver cells
glial cells
prison cells