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