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