telegraph
electrical impulses
hormonal
proteins
10 years
1 year
1 month
100 years
prison cells
muscle cells
stem cells
glial cells
100 miles per hour
1 meter per second
150 meters per second
1 foot per second
True or False: Damage to your nervous system can cause paralysis.
multipolar neurons
bipolar neurons
Purkinje neurons
pyramidal neurons
skin cells
liver cells
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
wire
the brain
nerve
muscle
all of the above
brains
a nerve
spinal cord