muscle cells

liver cells

stem cells

skin cells

1 month

100 years

1 year

10 years

Purkinje neurons

multipolar neurons

bipolar neurons

pyramidal neurons

they do not have a nucleus

they are very long compared to other cells in the body

they regenerate very quickly

they help carry oxygen to different parts of your body

telegraph

proteins

electrical impulses

hormonal

the brain

wire

nerve

muscle

brains

spinal cord

all of the above

a nerve

muscle cells

prison cells

stem cells

glial cells

150 meters per second

1 meter per second

1 foot per second

100 miles per hour