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