hormonal
proteins
telegraph
electrical impulses
100 years
10 years
1 month
1 year
True or False: Damage to your nervous system can cause paralysis.
nerve
wire
muscle
the brain
multipolar neurons
Purkinje neurons
pyramidal neurons
bipolar 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
glial cells
stem cells
prison cells
muscle cells
liver cells
skin cells
brains
all of the above
spinal cord
a nerve
150 meters per second
1 meter per second
100 miles per hour
1 foot per second