muscle cells

prison cells

glial cells

stem cells

10 years

1 month

1 year

100 years

1 foot per second

100 miles per hour

150 meters per second

1 meter per second

proteins

electrical impulses

hormonal

telegraph

bipolar neurons

multipolar neurons

Purkinje neurons

pyramidal neurons

they regenerate very quickly

they help carry oxygen to different parts of your body

they do not have a nucleus

they are very long compared to other cells in the body

wire

muscle

nerve

the brain

muscle cells

skin cells

liver cells

stem cells

a nerve

brains

spinal cord

all of the above