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