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