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