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