1 year

10 years

1 month

100 years

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

they do not have a nucleus

skin cells

stem cells

muscle cells

liver cells

telegraph

proteins

hormonal

electrical impulses

150 meters per second

100 miles per hour

1 foot per second

1 meter per second

nerve

muscle

wire

the brain

muscle cells

stem cells

prison cells

glial cells

multipolar neurons

Purkinje neurons

bipolar neurons

pyramidal neurons

a nerve

brains

spinal cord

all of the above