stem cells

glial cells

muscle cells

prison cells

Purkinje neurons

multipolar neurons

bipolar neurons

pyramidal neurons

liver cells

stem cells

skin cells

muscle cells

10 years

1 month

100 years

1 year

telegraph

hormonal

proteins

electrical impulses

150 meters per second

1 foot per second

1 meter per second

100 miles per hour

all of the above

spinal cord

brains

a nerve

muscle

nerve

wire

the brain

they are very long compared to other cells in the body

they regenerate very quickly

they do not have a nucleus

they help carry oxygen to different parts of your body