muscle cells

prison cells

stem cells

glial cells

100 years

10 years

1 month

1 year

proteins

hormonal

electrical impulses

telegraph

Purkinje neurons

multipolar neurons

bipolar neurons

pyramidal neurons

spinal cord

all of the above

brains

a nerve

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they do not have a nucleus

they regenerate very quickly

skin cells

stem cells

liver cells

muscle cells

nerve

wire

the brain

muscle

150 meters per second

1 meter per second

100 miles per hour

1 foot per second