prison cells

glial cells

muscle cells

stem cells

wire

nerve

the brain

muscle

100 miles per hour

1 foot per second

150 meters per second

1 meter per second

skin cells

muscle cells

stem cells

liver cells

they regenerate very quickly

they do not have a nucleus

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

Purkinje neurons

pyramidal neurons

multipolar neurons

bipolar neurons

spinal cord

all of the above

a nerve

brains

1 year

10 years

1 month

100 years

hormonal

proteins

electrical impulses

telegraph