spinal cord

all of the above

a nerve

brains

multipolar neurons

pyramidal neurons

Purkinje neurons

bipolar neurons

skin cells

muscle cells

liver cells

stem cells

1 year

100 years

10 years

1 month

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

they do not have a nucleus

prison cells

glial cells

stem cells

muscle cells

100 miles per hour

150 meters per second

1 meter per second

1 foot per second

muscle

nerve

the brain

wire

telegraph

hormonal

electrical impulses

proteins