muscle cells

skin cells

liver cells

stem cells

spinal cord

brains

a nerve

all of the above

nerve

muscle

the brain

wire

1 meter per second

1 foot per second

100 miles per hour

150 meters per second

proteins

hormonal

telegraph

electrical impulses

they help carry oxygen to different parts of your body

they do not have a nucleus

they regenerate very quickly

they are very long compared to other cells in the body

muscle cells

glial cells

prison cells

stem cells

10 years

100 years

1 year

1 month

pyramidal neurons

Purkinje neurons

bipolar neurons

multipolar neurons