spinal cord

brains

a nerve

all of the above

1 year

100 years

10 years

1 month

liver cells

muscle cells

stem cells

skin cells

wire

nerve

muscle

the brain

muscle cells

glial cells

prison cells

stem cells

bipolar neurons

Purkinje neurons

pyramidal neurons

multipolar neurons

hormonal

electrical impulses

telegraph

proteins

1 meter per second

1 foot per second

150 meters per second

100 miles per hour

they regenerate very quickly

they do not have a nucleus

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body