glial cells

prison cells

muscle cells

stem cells

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they do not have a nucleus

they regenerate very quickly

telegraph

proteins

hormonal

electrical impulses

a nerve

all of the above

brains

spinal cord

1 foot per second

100 miles per hour

150 meters per second

1 meter per second

1 year

1 month

100 years

10 years

bipolar neurons

multipolar neurons

pyramidal neurons

Purkinje neurons

stem cells

muscle cells

liver cells

skin cells

the brain

muscle

nerve

wire