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