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