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