1 month

10 years

100 years

1 year

muscle cells

glial cells

stem cells

prison cells

the brain

nerve

wire

muscle

brains

a nerve

spinal cord

all of the above

electrical impulses

proteins

telegraph

hormonal

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they do not have a nucleus

they regenerate very quickly

stem cells

liver cells

skin cells

muscle cells

pyramidal neurons

multipolar neurons

bipolar neurons

Purkinje neurons

1 foot per second

150 meters per second

100 miles per hour

1 meter per second