Nervous System

muscle cells

skin cells

liver cells

stem cells

glial cells

stem cells

muscle cells

prison cells

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

150 meters per second

1 meter per second

100 miles per hour

1 foot per second

brains

spinal cord

a nerve

all of the above

electrical impulses

proteins

telegraph

hormonal

100 years

1 year

10 years

1 month

nerve

muscle

the brain

wire

pyramidal neurons

Purkinje neurons

multipolar neurons

bipolar neurons