the brain

muscle

wire

nerve

they are very long compared to other cells in the body

they regenerate very quickly

they help carry oxygen to different parts of your body

they do not have a nucleus

proteins

hormonal

electrical impulses

telegraph

glial cells

muscle cells

stem cells

prison cells

brains

a nerve

spinal cord

all of the above

1 foot per second

150 meters per second

1 meter per second

100 miles per hour

bipolar neurons

pyramidal neurons

Purkinje neurons

multipolar neurons

skin cells

muscle cells

stem cells

liver cells

10 years

1 month

100 years

1 year