100 years

1 year

10 years

1 month

muscle cells

glial cells

stem cells

prison cells

nerve

muscle

the brain

wire

they regenerate very quickly

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they do not have a nucleus

proteins

hormonal

telegraph

electrical impulses

1 meter per second

150 meters per second

100 miles per hour

1 foot per second

all of the above

brains

a nerve

spinal cord

muscle cells

liver cells

stem cells

skin cells

multipolar neurons

Purkinje neurons

pyramidal neurons

bipolar neurons