they do not have a nucleus

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they regenerate very quickly

electrical impulses

proteins

hormonal

telegraph

spinal cord

a nerve

brains

all of the above

150 meters per second

1 meter per second

1 foot per second

100 miles per hour

skin cells

stem cells

liver cells

muscle cells

1 year

100 years

10 years

1 month

stem cells

glial cells

prison cells

muscle cells

nerve

wire

the brain

muscle

Purkinje neurons

multipolar neurons

bipolar neurons

pyramidal neurons