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