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