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