spinal cord

all of the above

a nerve

brains

100 years

1 year

1 month

10 years

Purkinje neurons

pyramidal neurons

multipolar neurons

bipolar neurons

prison cells

muscle cells

stem cells

glial cells

150 meters per second

1 meter per second

1 foot per second

100 miles per hour

muscle cells

skin cells

stem cells

liver cells

proteins

hormonal

telegraph

electrical impulses

they do not have a nucleus

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

nerve

wire

muscle

the brain