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