muscle cells

liver cells

skin cells

stem cells

telegraph

proteins

hormonal

electrical impulses

wire

nerve

muscle

the brain

stem cells

glial cells

muscle cells

prison cells

150 meters per second

1 foot per second

1 meter per second

100 miles per hour

bipolar neurons

multipolar neurons

pyramidal neurons

Purkinje neurons

a nerve

spinal cord

all of the above

brains

1 month

1 year

100 years

10 years

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they regenerate very quickly

they do not have a nucleus