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