Nervous System

10 years

1 year

1 month

100 years

skin cells

liver cells

muscle cells

stem cells

hormonal

proteins

telegraph

electrical impulses

Purkinje neurons

bipolar neurons

multipolar neurons

pyramidal neurons

they do not have a nucleus

they help carry oxygen to different parts of your body

they regenerate very quickly

they are very long compared to other cells in the body

muscle

the brain

nerve

wire

all of the above

spinal cord

brains

a nerve

muscle cells

stem cells

prison cells

glial cells

1 meter per second

150 meters per second

100 miles per hour

1 foot per second