proteins

telegraph

electrical impulses

hormonal

bipolar neurons

multipolar neurons

Purkinje neurons

pyramidal neurons

wire

nerve

muscle

the brain

10 years

1 month

100 years

1 year

150 meters per second

100 miles per hour

1 foot per second

1 meter per second

brains

a nerve

spinal cord

all of the above

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

liver cells

muscle cells

skin cells

stem cells

glial cells

stem cells

prison cells

muscle cells