they regenerate very quickly

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

skin cells

liver cells

stem cells

muscle cells

Purkinje neurons

bipolar neurons

pyramidal neurons

multipolar neurons

100 years

1 month

10 years

1 year

glial cells

prison cells

stem cells

muscle cells

hormonal

electrical impulses

telegraph

proteins

muscle

nerve

wire

the brain

1 foot per second

150 meters per second

1 meter per second

100 miles per hour

spinal cord

brains

a nerve

all of the above