1 meter per second

100 miles per hour

1 foot per second

150 meters 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

muscle cells

skin cells

liver cells

stem cells

muscle cells

stem cells

glial cells

prison cells

pyramidal neurons

bipolar neurons

multipolar neurons

Purkinje neurons

1 year

10 years

1 month

100 years

hormonal

proteins

electrical impulses

telegraph

nerve

wire

the brain

muscle

spinal cord

a nerve

brains

all of the above