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