skin cells

muscle cells

liver cells

stem cells

pyramidal neurons

Purkinje neurons

bipolar neurons

multipolar neurons

hormonal

telegraph

electrical impulses

proteins

prison cells

glial cells

stem cells

muscle cells

nerve

the brain

wire

muscle

they regenerate very quickly

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they do not have a nucleus

1 foot per second

150 meters per second

100 miles per hour

1 meter per second

spinal cord

a nerve

brains

all of the above

100 years

10 years

1 month

1 year