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