stem cells

muscle cells

liver cells

skin cells

Purkinje neurons

multipolar neurons

pyramidal neurons

bipolar neurons

hormonal

proteins

telegraph

electrical impulses

10 years

1 year

1 month

100 years

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

they regenerate very quickly

150 meters per second

100 miles per hour

1 foot per second

1 meter per second

glial cells

muscle cells

prison cells

stem cells

wire

muscle

nerve

the brain

a nerve

all of the above

spinal cord

brains