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