skin cells

liver cells

muscle cells

stem cells

nerve

muscle

the brain

wire

all of the above

spinal cord

a nerve

brains

they regenerate very quickly

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they do not have a nucleus

10 years

1 month

1 year

100 years

prison cells

glial cells

stem cells

muscle cells

pyramidal neurons

Purkinje neurons

multipolar neurons

bipolar neurons

1 meter per second

100 miles per hour

150 meters per second

1 foot per second

telegraph

proteins

hormonal

electrical impulses