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