100 years

1 month

10 years

1 year

hormonal

proteins

telegraph

electrical impulses

Purkinje neurons

multipolar neurons

bipolar neurons

pyramidal neurons

1 meter per second

150 meters per second

100 miles per hour

1 foot per second

wire

nerve

muscle

the brain

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they do not have a nucleus

they regenerate very quickly

muscle cells

liver cells

skin cells

stem cells

brains

spinal cord

all of the above

a nerve

glial cells

muscle cells

prison cells

stem cells