proteins
hormonal
telegraph
electrical impulses
muscle
the brain
nerve
wire
bipolar neurons
multipolar neurons
Purkinje neurons
pyramidal neurons
stem cells
liver cells
muscle cells
skin cells
100 miles per hour
1 foot per second
1 meter per second
150 meters per second
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 year
100 years
10 years
1 month
all of the above
a nerve
brains
spinal cord
True or False: Damage to your nervous system can cause paralysis.
prison cells
glial cells