pyramidal neurons

bipolar neurons

Purkinje neurons

multipolar neurons

proteins

telegraph

hormonal

electrical impulses

a nerve

brains

all of the above

spinal cord

100 miles per hour

1 foot per second

1 meter per second

150 meters per second

the brain

wire

muscle

nerve

glial cells

prison cells

stem cells

muscle cells

they regenerate very quickly

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they do not have a nucleus

100 years

1 year

1 month

10 years

liver cells

skin cells

muscle cells

stem cells