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