they do not have a nucleus

they regenerate very quickly

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

muscle cells

prison cells

glial cells

stem cells

10 years

100 years

1 month

1 year

liver cells

skin cells

stem cells

muscle cells

nerve

muscle

wire

the brain

150 meters per second

100 miles per hour

1 foot per second

1 meter per second

electrical impulses

hormonal

telegraph

proteins

brains

a nerve

spinal cord

all of the above

multipolar neurons

bipolar neurons

pyramidal neurons

Purkinje neurons