nerve

wire

the brain

muscle

stem cells

prison cells

muscle cells

glial cells

1 month

100 years

10 years

1 year

stem cells

liver cells

muscle cells

skin cells

telegraph

electrical impulses

proteins

hormonal

bipolar neurons

multipolar neurons

pyramidal neurons

Purkinje neurons

all of the above

a nerve

spinal cord

brains

1 foot per second

150 meters per second

1 meter per second

100 miles per hour

they help carry oxygen to different parts of your body

they do not have a nucleus

they regenerate very quickly

they are very long compared to other cells in the body