1 meter per second

1 foot per second

100 miles per hour

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

liver cells

skin cells

stem cells

muscle cells

the brain

muscle

wire

nerve

pyramidal neurons

bipolar neurons

Purkinje neurons

multipolar neurons

100 years

1 month

1 year

10 years

brains

spinal cord

a nerve

all of the above

hormonal

electrical impulses

telegraph

proteins

glial cells

muscle cells

prison cells

stem cells