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