10 years

1 year

1 month

100 years

150 meters per second

1 meter per second

1 foot per second

100 miles per hour

liver cells

stem cells

skin cells

muscle cells

spinal cord

brains

a nerve

all of the above

muscle

wire

the brain

nerve

proteins

hormonal

electrical impulses

telegraph

prison cells

muscle cells

stem cells

glial cells

bipolar neurons

multipolar neurons

pyramidal neurons

Purkinje neurons

they help carry oxygen to different parts of your body

they do not have a nucleus

they regenerate very quickly

they are very long compared to other cells in the body