1 meter per second

1 foot per second

150 meters per second

100 miles per hour

muscle cells

liver cells

skin cells

stem cells

multipolar neurons

bipolar neurons

pyramidal neurons

Purkinje neurons

muscle cells

prison cells

glial cells

stem cells

10 years

1 month

100 years

1 year

they regenerate very quickly

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they do not have a nucleus

telegraph

hormonal

proteins

electrical impulses

all of the above

spinal cord

brains

a nerve

the brain

nerve

muscle

wire