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