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