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