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