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