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