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