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

stem cells

liver cells

muscle cells

skin cells

telegraph

electrical impulses

proteins

hormonal

Purkinje neurons

multipolar neurons

bipolar neurons

pyramidal neurons

1 meter per second

150 meters per second

100 miles per hour

1 foot per second

1 year

10 years

100 years

1 month

muscle

the brain

nerve

wire

all of the above

spinal cord

a nerve

brains

stem cells

muscle cells

prison cells

glial cells