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