they help carry oxygen to different parts of your body

they do not have a nucleus

they regenerate very quickly

they are very long compared to other cells in the body

wire

nerve

muscle

the brain

1 year

10 years

100 years

1 month

bipolar neurons

multipolar neurons

pyramidal neurons

Purkinje neurons

100 miles per hour

1 foot per second

1 meter per second

150 meters per second

glial cells

prison cells

stem cells

muscle cells

spinal cord

brains

all of the above

a nerve

liver cells

stem cells

skin cells

muscle cells

telegraph

electrical impulses

hormonal

proteins