spinal cord

all of the above

brains

a nerve

stem cells

glial cells

muscle cells

prison cells

pyramidal neurons

multipolar neurons

bipolar neurons

Purkinje neurons

1 foot per second

150 meters per second

1 meter per second

100 miles per hour

electrical impulses

proteins

hormonal

telegraph

100 years

1 year

10 years

1 month

skin cells

stem cells

liver cells

muscle cells

the brain

wire

muscle

nerve

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they do not have a nucleus

they regenerate very quickly