100 years

1 year

10 years

1 month

1 meter per second

1 foot per second

150 meters per second

100 miles per hour

bipolar neurons

Purkinje neurons

pyramidal neurons

multipolar neurons

skin cells

stem cells

muscle cells

liver cells

brains

spinal cord

a nerve

all of the above

glial cells

muscle cells

prison cells

stem cells

the brain

wire

muscle

nerve

electrical impulses

proteins

hormonal

telegraph

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