1 foot per second

1 meter per second

150 meters per second

100 miles per hour

they are very long compared to other cells in the body

they do not have a nucleus

they help carry oxygen to different parts of your body

they regenerate very quickly

1 month

10 years

100 years

1 year

skin cells

muscle cells

stem cells

liver cells

multipolar neurons

pyramidal neurons

bipolar neurons

Purkinje neurons

stem cells

muscle cells

glial cells

prison cells

a nerve

spinal cord

brains

all of the above

nerve

wire

muscle

the brain

telegraph

proteins

hormonal

electrical impulses