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