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