muscle cells

glial cells

prison cells

stem cells

wire

nerve

muscle

the brain

Purkinje neurons

multipolar neurons

pyramidal neurons

bipolar neurons

hormonal

proteins

electrical impulses

telegraph

they help carry oxygen to different parts of your body

they do not have a nucleus

they are very long compared to other cells in the body

they regenerate very quickly

skin cells

stem cells

liver cells

muscle cells

brains

a nerve

all of the above

spinal cord

100 miles per hour

1 foot per second

1 meter per second

150 meters per second

100 years

1 month

1 year

10 years