liver cells

stem cells

skin cells

muscle cells

the brain

wire

nerve

muscle

100 miles per hour

1 meter per second

1 foot per second

150 meters per second

1 year

100 years

1 month

10 years

glial cells

muscle cells

stem cells

prison cells

multipolar neurons

bipolar neurons

Purkinje neurons

pyramidal neurons

telegraph

proteins

hormonal

electrical impulses

they are very long compared to other cells in the body

they regenerate very quickly

they do not have a nucleus

they help carry oxygen to different parts of your body

all of the above

spinal cord

a nerve

brains