muscle

wire

nerve

the brain

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

liver cells

skin cells

muscle cells

stem cells

multipolar neurons

Purkinje neurons

pyramidal neurons

bipolar neurons

a nerve

all of the above

spinal cord

brains

prison cells

stem cells

muscle cells

glial cells

telegraph

hormonal

proteins

electrical impulses

1 foot per second

150 meters per second

100 miles per hour

1 meter per second

1 year

10 years

1 month

100 years