glial cells

muscle cells

prison cells

stem cells

a nerve

spinal cord

brains

all of the above

electrical impulses

telegraph

proteins

hormonal

bipolar neurons

Purkinje neurons

pyramidal neurons

multipolar neurons

they regenerate very quickly

they help carry oxygen to different parts of your body

they do not have a nucleus

they are very long compared to other cells in the body

stem cells

skin cells

liver cells

muscle cells

100 years

1 month

10 years

1 year

wire

muscle

nerve

the brain

150 meters per second

1 foot per second

1 meter per second

100 miles per hour