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