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