they do not have a nucleus

they help carry oxygen to different parts of your body

they regenerate very quickly

they are very long compared to other cells in the body

bipolar neurons

Purkinje neurons

multipolar neurons

pyramidal neurons

the brain

wire

nerve

muscle

prison cells

stem cells

glial cells

muscle cells

telegraph

electrical impulses

hormonal

proteins

spinal cord

a nerve

all of the above

brains

stem cells

muscle cells

skin cells

liver cells

1 foot per second

150 meters per second

100 miles per hour

1 meter per second

100 years

10 years

1 month

1 year