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