Nervous System

muscle cells

stem cells

prison cells

glial cells

spinal cord

a nerve

all of the above

brains

electrical impulses

proteins

telegraph

hormonal

nerve

wire

the brain

muscle

Purkinje neurons

bipolar neurons

multipolar neurons

pyramidal neurons

they regenerate very quickly

they are very long compared to other cells in the body

they do not have a nucleus

they help carry oxygen to different parts of your body

1 month

100 years

10 years

1 year

100 miles per hour

1 foot per second

150 meters per second

1 meter per second

muscle cells

liver cells

skin cells

stem cells