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

they regenerate very quickly

prison cells

muscle cells

glial cells

stem cells

1 meter per second

1 foot per second

100 miles per hour

150 meters per second

the brain

muscle

wire

nerve

Purkinje neurons

pyramidal neurons

bipolar neurons

multipolar neurons

spinal cord

brains

a nerve

all of the above

electrical impulses

hormonal

telegraph

proteins

stem cells

muscle cells

liver cells

skin cells

100 years

1 month

10 years

1 year