muscle

the brain

wire

nerve

they do not have a nucleus

they regenerate very quickly

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

1 year

100 years

10 years

1 month

spinal cord

a nerve

all of the above

brains

glial cells

muscle cells

stem cells

prison cells

electrical impulses

telegraph

proteins

hormonal

multipolar neurons

Purkinje neurons

bipolar neurons

pyramidal neurons

liver cells

stem cells

skin cells

muscle cells

100 miles per hour

1 meter per second

150 meters per second

1 foot per second