10 years

1 year

1 month

100 years

muscle cells

prison cells

stem cells

glial cells

all of the above

a nerve

brains

spinal cord

Purkinje neurons

bipolar neurons

pyramidal neurons

multipolar neurons

telegraph

hormonal

proteins

electrical impulses

they regenerate very quickly

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

stem cells

liver cells

muscle cells

skin cells

1 foot per second

150 meters per second

1 meter per second

100 miles per hour

nerve

muscle

the brain

wire