wire

nerve

the brain

muscle

all of the above

brains

a nerve

spinal cord

prison cells

muscle cells

glial cells

stem cells

pyramidal neurons

bipolar neurons

Purkinje neurons

multipolar neurons

they regenerate very quickly

they do not have a nucleus

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

proteins

hormonal

telegraph

electrical impulses

muscle cells

liver cells

skin cells

stem cells

100 years

10 years

1 year

1 month

100 miles per hour

1 foot per second

1 meter per second

150 meters per second