prison cells

muscle cells

glial cells

stem cells

muscle

nerve

wire

the brain

1 year

100 years

10 years

1 month

proteins

electrical impulses

telegraph

hormonal

Purkinje neurons

pyramidal neurons

multipolar neurons

bipolar neurons

all of the above

a nerve

brains

spinal cord

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

skin cells

muscle cells

liver cells

stem cells

150 meters per second

1 foot per second

1 meter per second

100 miles per hour