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