1 month

1 year

100 years

10 years

brains

spinal cord

all of the above

a nerve

skin cells

muscle cells

stem cells

liver cells

bipolar neurons

Purkinje neurons

pyramidal neurons

multipolar neurons

the brain

muscle

nerve

wire

prison cells

stem cells

glial cells

muscle cells

1 foot per second

150 meters per second

1 meter per second

100 miles per hour

telegraph

proteins

hormonal

electrical impulses

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