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