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

they regenerate very quickly

stem cells

muscle cells

skin cells

liver cells

glial cells

muscle cells

stem cells

prison cells

hormonal

proteins

electrical impulses

telegraph

100 miles per hour

1 meter per second

150 meters per second

1 foot per second

100 years

1 month

10 years

1 year

the brain

wire

nerve

muscle

multipolar neurons

Purkinje neurons

pyramidal neurons

bipolar neurons

brains

a nerve

spinal cord

all of the above