stem cells

prison cells

glial cells

muscle cells

Purkinje neurons

multipolar neurons

bipolar neurons

pyramidal neurons

skin cells

liver cells

muscle cells

stem cells

they regenerate very quickly

they are very long compared to other cells in the body

they do not have a nucleus

they help carry oxygen to different parts of your body

10 years

1 year

100 years

1 month

nerve

the brain

muscle

wire

150 meters per second

1 meter per second

100 miles per hour

1 foot per second

brains

spinal cord

all of the above

a nerve

electrical impulses

proteins

telegraph

hormonal