wire

the brain

nerve

muscle

muscle cells

skin cells

liver cells

stem cells

proteins

telegraph

electrical impulses

hormonal

spinal cord

brains

all of the above

a nerve

multipolar neurons

pyramidal neurons

Purkinje neurons

bipolar neurons

prison cells

muscle cells

glial cells

stem cells

they regenerate very quickly

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

10 years

1 year

1 month

100 years

1 meter per second

100 miles per hour

150 meters per second

1 foot per second