telegraph
electrical impulses
hormonal
proteins
skin cells
stem cells
liver cells
muscle cells
all of the above
spinal cord
brains
a nerve
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
wire
muscle
nerve
the brain
they are very long compared to other cells in the body
they help carry oxygen to different parts of your body
they do not have a nucleus
they regenerate very quickly
bipolar neurons
pyramidal neurons
multipolar neurons
Purkinje neurons
1 month
1 year
10 years
100 years
prison cells
glial cells