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