muscle

nerve

wire

the brain

a nerve

spinal cord

all of the above

brains

they are very long compared to other cells in the body

they regenerate very quickly

they do not have a nucleus

they help carry oxygen to different parts of your body

telegraph

proteins

electrical impulses

hormonal

multipolar neurons

Purkinje neurons

bipolar neurons

pyramidal neurons

muscle cells

liver cells

skin cells

stem cells

1 foot per second

1 meter per second

150 meters per second

100 miles per hour

10 years

1 year

100 years

1 month

muscle cells

glial cells

prison cells

stem cells