100 miles per hour

1 meter per second

1 foot per second

150 meters per second

skin cells

muscle cells

stem cells

liver cells

bipolar neurons

pyramidal neurons

Purkinje neurons

multipolar neurons

wire

muscle

nerve

the brain

10 years

100 years

1 month

1 year

proteins

hormonal

telegraph

electrical impulses

they regenerate very quickly

they do not have a nucleus

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

glial cells

muscle cells

prison cells

stem cells

brains

a nerve

spinal cord

all of the above