nerve

muscle

wire

the brain

pyramidal neurons

multipolar neurons

Purkinje neurons

bipolar neurons

1 foot per second

150 meters per second

1 meter per second

100 miles per hour

hormonal

electrical impulses

proteins

telegraph

all of the above

brains

spinal cord

a nerve

glial cells

stem cells

prison cells

muscle cells

they help carry oxygen to different parts of your body

they regenerate very quickly

they are very long compared to other cells in the body

they do not have a nucleus

10 years

1 year

1 month

100 years

muscle cells

skin cells

liver cells

stem cells