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

prison cells

muscle cells

stem cells

glial cells

proteins

electrical impulses

telegraph

hormonal

skin cells

stem cells

liver cells

muscle cells

10 years

1 month

100 years

1 year

a nerve

all of the above

spinal cord

brains

wire

the brain

muscle

nerve

pyramidal neurons

bipolar neurons

multipolar neurons

Purkinje neurons

1 foot per second

100 miles per hour

1 meter per second

150 meters per second