Nervous System

electrical impulses

hormonal

telegraph

proteins

they help carry oxygen to different parts of your body

they do not have a nucleus

they are very long compared to other cells in the body

they regenerate very quickly

multipolar neurons

Purkinje neurons

bipolar neurons

pyramidal neurons

1 meter per second

1 foot per second

100 miles per hour

150 meters per second

spinal cord

a nerve

all of the above

brains

muscle cells

skin cells

stem cells

liver cells

muscle cells

prison cells

glial cells

stem cells

nerve

the brain

muscle

wire

1 month

10 years

1 year

100 years