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