the brain

muscle

wire

nerve

1 foot per second

1 meter per second

150 meters per second

100 miles per hour

10 years

1 year

1 month

100 years

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

telegraph

hormonal

proteins

electrical impulses

muscle cells

stem cells

skin cells

liver cells

prison cells

stem cells

muscle cells

glial cells

pyramidal neurons

Purkinje neurons

bipolar neurons

multipolar neurons

spinal cord

brains

a nerve

all of the above