Nervous System

pyramidal neurons

multipolar neurons

bipolar neurons

Purkinje neurons

100 miles per hour

1 meter per second

1 foot per second

150 meters per second

proteins

electrical impulses

telegraph

hormonal

100 years

1 year

1 month

10 years

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

a nerve

brains

spinal cord

all of the above

nerve

wire

the brain

muscle

liver cells

stem cells

muscle cells

skin cells

stem cells

muscle cells

prison cells

glial cells