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