they are very long compared to other cells in the body

they regenerate very quickly

they help carry oxygen to different parts of your body

they do not have a nucleus

100 years

1 year

1 month

10 years

prison cells

muscle cells

stem cells

glial cells

Purkinje neurons

pyramidal neurons

multipolar neurons

bipolar neurons

brains

spinal cord

a nerve

all of the above

100 miles per hour

150 meters per second

1 foot per second

1 meter per second

electrical impulses

telegraph

hormonal

proteins

nerve

wire

muscle

the brain

stem cells

muscle cells

liver cells

skin cells