prison cells

stem cells

muscle cells

glial cells

spinal cord

all of the above

a nerve

brains

pyramidal neurons

bipolar neurons

multipolar neurons

Purkinje neurons

electrical impulses

proteins

hormonal

telegraph

they do not have a nucleus

they regenerate very quickly

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

100 years

1 month

1 year

10 years

stem cells

muscle cells

liver cells

skin cells

muscle

the brain

wire

nerve

1 foot per second

100 miles per hour

150 meters per second

1 meter per second