muscle cells

liver cells

skin cells

stem cells

electrical impulses

hormonal

telegraph

proteins

glial cells

muscle cells

prison cells

stem cells

1 year

1 month

10 years

100 years

they regenerate very quickly

they do not have a nucleus

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

150 meters per second

100 miles per hour

1 foot per second

1 meter per second

the brain

nerve

muscle

wire

bipolar neurons

pyramidal neurons

multipolar neurons

Purkinje neurons

a nerve

brains

spinal cord

all of the above