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