Nervous System

Purkinje neurons

multipolar neurons

pyramidal neurons

bipolar neurons

skin cells

liver cells

stem cells

muscle cells

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

they regenerate very quickly

10 years

1 month

100 years

1 year

electrical impulses

telegraph

proteins

hormonal

a nerve

brains

spinal cord

all of the above

100 miles per hour

1 meter per second

1 foot per second

150 meters per second

prison cells

muscle cells

glial cells

stem cells

nerve

wire

the brain

muscle