nerve

muscle

the brain

wire

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they do not have a nucleus

they regenerate very quickly

hormonal

proteins

telegraph

electrical impulses

stem cells

prison cells

glial cells

muscle cells

1 meter per second

150 meters per second

1 foot per second

100 miles per hour

muscle cells

liver cells

skin cells

stem cells

a nerve

all of the above

spinal cord

brains

1 year

10 years

100 years

1 month

Purkinje neurons

bipolar neurons

multipolar neurons

pyramidal neurons