Nervous System

muscle cells

stem cells

liver cells

skin cells

they are very long compared to other cells in the body

they regenerate very quickly

they help carry oxygen to different parts of your body

they do not have a nucleus

nerve

muscle

the brain

wire

all of the above

a nerve

brains

spinal cord

1 meter per second

100 miles per hour

1 foot per second

150 meters per second

stem cells

prison cells

muscle cells

glial cells

Purkinje neurons

pyramidal neurons

multipolar neurons

bipolar neurons

hormonal

proteins

telegraph

electrical impulses

1 year

1 month

100 years

10 years