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