muscle

wire

the brain

nerve

100 years

1 year

10 years

1 month

a nerve

spinal cord

all of the above

brains

proteins

telegraph

electrical impulses

hormonal

they do not have a nucleus

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they regenerate very quickly

Purkinje neurons

bipolar neurons

multipolar neurons

pyramidal neurons

prison cells

muscle cells

glial cells

stem cells

skin cells

muscle cells

liver cells

stem cells

100 miles per hour

150 meters per second

1 meter per second

1 foot per second