liver cells

stem cells

muscle cells

skin cells

pyramidal neurons

bipolar neurons

multipolar neurons

Purkinje neurons

proteins

electrical impulses

hormonal

telegraph

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

they do not have a nucleus

wire

the brain

muscle

nerve

brains

all of the above

spinal cord

a nerve

1 month

1 year

10 years

100 years

muscle cells

glial cells

prison cells

stem cells

150 meters per second

1 meter per second

100 miles per hour

1 foot per second