muscle

nerve

the brain

wire

skin cells

muscle cells

stem cells

liver cells

hormonal

electrical impulses

telegraph

proteins

they are very long compared to other cells in the body

they regenerate very quickly

they do not have a nucleus

they help carry oxygen to different parts of your body

a nerve

spinal cord

brains

all of the above

multipolar neurons

Purkinje neurons

bipolar neurons

pyramidal neurons

1 foot per second

100 miles per hour

1 meter per second

150 meters per second

10 years

100 years

1 month

1 year

glial cells

prison cells

stem cells

muscle cells