muscle

the brain

wire

nerve

they regenerate very quickly

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

prison cells

glial cells

muscle cells

stem cells

a nerve

brains

all of the above

spinal cord

multipolar neurons

pyramidal neurons

bipolar neurons

Purkinje neurons

100 years

1 year

1 month

10 years

proteins

telegraph

hormonal

electrical impulses

liver cells

stem cells

muscle cells

skin cells

100 miles per hour

1 meter per second

150 meters per second

1 foot per second