liver cells

stem cells

muscle cells

skin cells

brains

a nerve

all of the above

spinal cord

telegraph

proteins

hormonal

electrical impulses

multipolar neurons

bipolar neurons

pyramidal neurons

Purkinje neurons

100 years

1 month

1 year

10 years

they are very long compared to other cells in the body

they do not have a nucleus

they help carry oxygen to different parts of your body

they regenerate very quickly

1 foot per second

150 meters per second

100 miles per hour

1 meter per second

wire

nerve

muscle

the brain

stem cells

muscle cells

glial cells

prison cells