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