a nerve

brains

all of the above

spinal cord

1 year

1 month

10 years

100 years

liver cells

skin cells

muscle cells

stem cells

hormonal

telegraph

proteins

electrical impulses

prison cells

muscle cells

glial cells

stem cells

pyramidal neurons

bipolar neurons

multipolar neurons

Purkinje neurons

nerve

muscle

wire

the brain

they do not have a nucleus

they regenerate very quickly

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

150 meters per second

1 foot per second

1 meter per second

100 miles per hour