muscle cells

prison cells

glial cells

stem cells

telegraph

proteins

electrical impulses

hormonal

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

they do not have a nucleus

liver cells

skin cells

stem cells

muscle cells

1 meter per second

1 foot per second

100 miles per hour

150 meters per second

all of the above

a nerve

brains

spinal cord

multipolar neurons

pyramidal neurons

Purkinje neurons

bipolar neurons

1 year

1 month

10 years

100 years

wire

muscle

nerve

the brain