they are very long compared to other cells in the body

they regenerate very quickly

they help carry oxygen to different parts of your body

they do not have a nucleus

skin cells

liver cells

stem cells

muscle cells

prison cells

glial cells

stem cells

muscle cells

muscle

the brain

wire

nerve

100 miles per hour

1 foot per second

1 meter per second

150 meters per second

electrical impulses

proteins

telegraph

hormonal

100 years

10 years

1 month

1 year

spinal cord

all of the above

brains

a nerve

pyramidal neurons

bipolar neurons

multipolar neurons

Purkinje neurons