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