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