100 miles per hour

1 meter per second

150 meters per second

1 foot per second

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

they regenerate very quickly

glial cells

prison cells

muscle cells

stem cells

10 years

100 years

1 year

1 month

liver cells

stem cells

muscle cells

skin cells

multipolar neurons

bipolar neurons

Purkinje neurons

pyramidal neurons

spinal cord

all of the above

brains

a nerve

telegraph

proteins

hormonal

electrical impulses

muscle

wire

the brain

nerve