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