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