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