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