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