muscle

the brain

wire

nerve

1 month

100 years

10 years

1 year

liver cells

stem cells

skin cells

muscle cells

telegraph

proteins

hormonal

electrical impulses

150 meters per second

1 foot per second

100 miles per hour

1 meter per second

they do not have a nucleus

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they regenerate very quickly

Purkinje neurons

pyramidal neurons

multipolar neurons

bipolar neurons

spinal cord

brains

all of the above

a nerve

stem cells

glial cells

muscle cells

prison cells