pyramidal neurons

bipolar neurons

multipolar neurons

Purkinje neurons

electrical impulses

hormonal

proteins

telegraph

1 foot per second

1 meter per second

100 miles per hour

150 meters per second

spinal cord

brains

all of the above

a nerve

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they regenerate very quickly

they do not have a nucleus

nerve

wire

the brain

muscle

glial cells

stem cells

prison cells

muscle cells

liver cells

skin cells

muscle cells

stem cells

100 years

10 years

1 month

1 year