muscle cells

stem cells

prison cells

glial cells

spinal cord

brains

all of the above

a nerve

100 miles per hour

150 meters per second

1 meter per second

1 foot per second

1 year

10 years

100 years

1 month

proteins

electrical impulses

telegraph

hormonal

they are very long compared to other cells in the body

they regenerate very quickly

they do not have a nucleus

they help carry oxygen to different parts of your body

pyramidal neurons

bipolar neurons

multipolar neurons

Purkinje neurons

stem cells

skin cells

liver cells

muscle cells

wire

muscle

nerve

the brain