1 year

10 years

1 month

100 years

bipolar neurons

pyramidal neurons

Purkinje neurons

multipolar neurons

wire

nerve

muscle

the brain

100 miles per hour

1 meter per second

1 foot per second

150 meters per second

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

they regenerate very quickly

stem cells

prison cells

muscle cells

glial cells

a nerve

brains

all of the above

spinal cord

muscle cells

liver cells

stem cells

skin cells

hormonal

proteins

electrical impulses

telegraph