skin cells

muscle cells

stem cells

liver cells

stem cells

glial cells

muscle cells

prison cells

100 miles per hour

150 meters per second

1 meter per second

1 foot per second

they do not have a nucleus

they are very long compared to other cells in the body

they regenerate very quickly

they help carry oxygen to different parts of your body

brains

spinal cord

a nerve

all of the above

telegraph

hormonal

proteins

electrical impulses

nerve

muscle

the brain

wire

100 years

10 years

1 month

1 year

Purkinje neurons

pyramidal neurons

multipolar neurons

bipolar neurons