skin cells

muscle cells

liver cells

stem cells

brains

a nerve

all of the above

spinal cord

wire

nerve

the brain

muscle

1 year

1 month

100 years

10 years

1 foot per second

100 miles per hour

150 meters per second

1 meter per second

prison cells

glial cells

muscle cells

stem cells

they are very long compared to other cells in the body

they regenerate very quickly

they help carry oxygen to different parts of your body

they do not have a nucleus

proteins

electrical impulses

hormonal

telegraph

multipolar neurons

Purkinje neurons

bipolar neurons

pyramidal neurons