nerve

wire

muscle

the brain

10 years

1 month

1 year

100 years

proteins

telegraph

electrical impulses

hormonal

skin cells

stem cells

muscle cells

liver cells

brains

spinal cord

a nerve

all of the above

multipolar neurons

bipolar neurons

Purkinje neurons

pyramidal neurons

150 meters per second

1 meter per second

100 miles per hour

1 foot per second

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

glial cells

stem cells

muscle cells

prison cells