muscle cells

stem cells

liver cells

skin cells

wire

muscle

the brain

nerve

telegraph

electrical impulses

proteins

hormonal

spinal cord

brains

a nerve

all of the above

they are very long compared to other cells in the body

they do not have a nucleus

they regenerate very quickly

they help carry oxygen to different parts of your body

150 meters per second

100 miles per hour

1 meter per second

1 foot per second

bipolar neurons

multipolar neurons

pyramidal neurons

Purkinje neurons

stem cells

muscle cells

glial cells

prison cells

1 month

100 years

1 year

10 years