telegraph
electrical impulses
proteins
hormonal
a nerve
spinal cord
brains
all of the above
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 do not have a nucleus
they help carry oxygen to different parts of your body
prison cells
muscle cells
stem cells
glial cells
10 years
1 year
1 month
100 years
skin cells
liver cells
1 foot per second
1 meter per second
100 miles per hour
150 meters per second
wire
the brain
muscle
nerve
multipolar neurons
bipolar neurons
pyramidal neurons
Purkinje neurons