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