spinal cord

brains

a nerve

all of the above

prison cells

stem cells

muscle cells

glial cells

1 year

10 years

100 years

1 month

wire

the brain

nerve

muscle

they are very long compared to other cells in the body

they do not have a nucleus

they regenerate very quickly

they help carry oxygen to different parts of your body

1 foot per second

100 miles per hour

1 meter per second

150 meters per second

multipolar neurons

pyramidal neurons

bipolar neurons

Purkinje neurons

hormonal

telegraph

electrical impulses

proteins

muscle cells

stem cells

skin cells

liver cells