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