nerve

muscle

wire

the brain

1 month

10 years

1 year

100 years

1 foot per second

1 meter per second

150 meters per second

100 miles per hour

stem cells

prison cells

glial cells

muscle cells

multipolar neurons

Purkinje neurons

pyramidal neurons

bipolar neurons

skin cells

stem cells

muscle cells

liver cells

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

telegraph

proteins

hormonal

electrical impulses

all of the above

spinal cord

brains

a nerve