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