stem cells

prison cells

muscle cells

glial cells

bipolar neurons

pyramidal neurons

Purkinje neurons

multipolar neurons

muscle

nerve

wire

the brain

they are very long compared to other cells in the body

they regenerate very quickly

they help carry oxygen to different parts of your body

they do not have a nucleus

100 years

1 month

10 years

1 year

150 meters per second

1 foot per second

100 miles per hour

1 meter per second

a nerve

all of the above

brains

spinal cord

electrical impulses

telegraph

proteins

hormonal

skin cells

muscle cells

liver cells

stem cells