stem cells

glial cells

muscle cells

prison cells

the brain

wire

nerve

muscle

bipolar neurons

multipolar neurons

Purkinje neurons

pyramidal neurons

they do not have a nucleus

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

electrical impulses

telegraph

proteins

hormonal

spinal cord

a nerve

brains

all of the above

liver cells

skin cells

stem cells

muscle cells

10 years

1 month

100 years

1 year

1 meter per second

1 foot per second

100 miles per hour

150 meters per second