they are very long compared to other cells in the body

they do not have a nucleus

they regenerate very quickly

they help carry oxygen to different parts of your body

glial cells

prison cells

muscle cells

stem cells

the brain

muscle

nerve

wire

telegraph

proteins

hormonal

electrical impulses

150 meters per second

1 foot per second

1 meter per second

100 miles per hour

1 month

10 years

100 years

1 year

skin cells

stem cells

liver cells

muscle cells

all of the above

brains

a nerve

spinal cord

multipolar neurons

pyramidal neurons

Purkinje neurons

bipolar neurons