liver cells

muscle cells

stem cells

skin cells

10 years

100 years

1 year

1 month

a nerve

brains

spinal cord

all of the above

they regenerate very quickly

they do not have a nucleus

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

1 foot per second

150 meters per second

100 miles per hour

1 meter per second

proteins

hormonal

telegraph

electrical impulses

multipolar neurons

Purkinje neurons

pyramidal neurons

bipolar neurons

muscle

nerve

the brain

wire

glial cells

prison cells

stem cells

muscle cells