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

glial cells

stem cells

muscle cells

prison cells

100 years

10 years

1 year

1 month

spinal cord

all of the above

a nerve

brains

wire

nerve

muscle

the brain

skin cells

liver cells

muscle cells

stem cells

bipolar neurons

pyramidal neurons

Purkinje neurons

multipolar neurons

1 meter per second

150 meters per second

100 miles per hour

1 foot per second

electrical impulses

telegraph

hormonal

proteins