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