Nervous System

spinal cord

a nerve

all of the above

brains

stem cells

prison cells

muscle cells

glial cells

150 meters per second

1 foot per second

100 miles per hour

1 meter per second

multipolar neurons

bipolar neurons

pyramidal neurons

Purkinje neurons

skin cells

stem cells

muscle cells

liver cells

electrical impulses

telegraph

hormonal

proteins

they do not have a nucleus

they regenerate very quickly

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

the brain

muscle

wire

nerve

10 years

100 years

1 year

1 month