they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they regenerate very quickly

they do not have a nucleus

100 miles per hour

150 meters per second

1 meter per second

1 foot per second

stem cells

liver cells

skin cells

muscle cells

100 years

10 years

1 month

1 year

bipolar neurons

Purkinje neurons

pyramidal neurons

multipolar neurons

telegraph

hormonal

proteins

electrical impulses

muscle cells

stem cells

prison cells

glial cells

all of the above

spinal cord

a nerve

brains

wire

the brain

muscle

nerve