Nervous System

spinal cord

all of the above

a nerve

brains

nerve

wire

muscle

the brain

bipolar neurons

multipolar neurons

Purkinje neurons

pyramidal neurons

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

they do not have a nucleus

prison cells

glial cells

stem cells

muscle cells

muscle cells

stem cells

skin cells

liver cells

1 foot per second

150 meters per second

1 meter per second

100 miles per hour

electrical impulses

proteins

telegraph

hormonal

10 years

1 month

1 year

100 years