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