1 year

100 years

10 years

1 month

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they regenerate very quickly

they do not have a nucleus

muscle cells

stem cells

prison cells

glial cells

pyramidal neurons

bipolar neurons

multipolar neurons

Purkinje neurons

hormonal

electrical impulses

telegraph

proteins

150 meters per second

100 miles per hour

1 meter per second

1 foot per second

spinal cord

brains

a nerve

all of the above

muscle cells

stem cells

liver cells

skin cells

muscle

nerve

the brain

wire