1 foot per second

150 meters per second

1 meter per second

100 miles per hour

skin cells

muscle cells

stem cells

liver cells

wire

muscle

the brain

nerve

pyramidal neurons

Purkinje neurons

multipolar neurons

bipolar neurons

prison cells

stem cells

muscle cells

glial cells

brains

spinal cord

a nerve

all of the above

telegraph

electrical impulses

proteins

hormonal

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

10 years

100 years

1 month

1 year