liver cells

stem cells

skin cells

muscle cells

muscle

the brain

nerve

wire

proteins

hormonal

electrical impulses

telegraph

they are very long compared to other cells in the body

they do not have a nucleus

they regenerate very quickly

they help carry oxygen to different parts of your body

10 years

1 month

100 years

1 year

glial cells

prison cells

muscle cells

stem cells

Purkinje neurons

bipolar neurons

multipolar neurons

pyramidal neurons

spinal cord

a nerve

all of the above

brains

1 meter per second

1 foot per second

150 meters per second

100 miles per hour