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