the brain

muscle

wire

nerve

muscle cells

skin cells

liver cells

stem cells

pyramidal neurons

multipolar neurons

Purkinje neurons

bipolar neurons

muscle cells

stem cells

glial cells

prison 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

100 miles per hour

150 meters per second

1 foot per second

1 meter per second

spinal cord

brains

a nerve

all of the above

1 month

10 years

100 years

1 year

hormonal

electrical impulses

proteins

telegraph