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