muscle cells

liver cells

skin cells

stem cells

1 year

10 years

1 month

100 years

electrical impulses

proteins

hormonal

telegraph

a nerve

all of the above

spinal cord

brains

multipolar neurons

pyramidal neurons

Purkinje neurons

bipolar neurons

they help carry oxygen to different parts of your body

they do not have a nucleus

they regenerate very quickly

they are very long compared to other cells in the body

glial cells

prison cells

stem cells

muscle cells

the brain

muscle

nerve

wire

150 meters per second

100 miles per hour

1 meter per second

1 foot per second