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