nerve

wire

muscle

the brain

stem cells

liver cells

skin cells

muscle cells

muscle cells

stem cells

glial cells

prison cells

hormonal

electrical impulses

proteins

telegraph

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

1 month

10 years

1 year

100 years

1 meter per second

1 foot per second

100 miles per hour

150 meters per second

spinal cord

a nerve

brains

all of the above

Purkinje neurons

pyramidal neurons

bipolar neurons

multipolar neurons