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