telegraph
proteins
electrical impulses
hormonal
liver cells
skin cells
muscle cells
stem cells
brains
spinal cord
all of the above
a nerve
1 month
100 years
10 years
1 year
1 meter per second
150 meters per second
100 miles per hour
1 foot per second
glial cells
prison cells
True or False: Damage to your nervous system can cause paralysis.
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
nerve
muscle
the brain
wire
Purkinje neurons
pyramidal neurons
bipolar neurons
multipolar neurons