prison cells

stem cells

glial cells

muscle cells

bipolar neurons

Purkinje neurons

multipolar neurons

pyramidal neurons

1 month

10 years

100 years

1 year

telegraph

electrical impulses

proteins

hormonal

wire

muscle

the brain

nerve

they regenerate very quickly

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they do not have a nucleus

spinal cord

all of the above

brains

a nerve

100 miles per hour

1 foot per second

150 meters per second

1 meter per second

liver cells

stem cells

skin cells

muscle cells