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