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