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