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

stem cells

prison cells

glial cells

muscle cells

proteins

hormonal

electrical impulses

telegraph

the brain

nerve

muscle

wire

10 years

1 year

1 month

100 years

spinal cord

a nerve

all of the above

brains

1 meter per second

150 meters per second

100 miles per hour

1 foot per second

skin cells

liver cells

muscle cells

stem cells

multipolar neurons

bipolar neurons

Purkinje neurons

pyramidal neurons