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