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