1 foot per second

100 miles per hour

1 meter per second

150 meters per second

they do not have a nucleus

they regenerate very quickly

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

10 years

1 year

1 month

100 years

prison cells

muscle cells

stem cells

glial cells

muscle

nerve

wire

the brain

multipolar neurons

bipolar neurons

pyramidal neurons

Purkinje neurons

a nerve

spinal cord

brains

all of the above

telegraph

proteins

hormonal

electrical impulses

stem cells

skin cells

muscle cells

liver cells