stem cells

muscle cells

skin cells

liver cells

electrical impulses

hormonal

telegraph

proteins

Purkinje neurons

pyramidal neurons

bipolar neurons

multipolar neurons

they do not have a nucleus

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

all of the above

a nerve

brains

spinal cord

10 years

1 year

100 years

1 month

150 meters per second

1 meter per second

1 foot per second

100 miles per hour

wire

muscle

nerve

the brain

prison cells

muscle cells

stem cells

glial cells