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