liver cells

skin cells

muscle cells

stem cells

nerve

the brain

muscle

wire

100 miles per hour

150 meters per second

1 foot per second

1 meter per second

bipolar neurons

Purkinje neurons

multipolar neurons

pyramidal neurons

they do not have a nucleus

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

glial cells

prison cells

muscle cells

stem cells

brains

spinal cord

all of the above

a nerve

electrical impulses

telegraph

proteins

hormonal

100 years

10 years

1 year

1 month