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