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