prison cells

muscle cells

glial cells

stem cells

Purkinje neurons

pyramidal neurons

bipolar neurons

multipolar neurons

brains

all of the above

spinal cord

a nerve

the brain

nerve

muscle

wire

they help carry oxygen to different parts of your body

they regenerate very quickly

they do not have a nucleus

they are very long compared to other cells in the body

150 meters per second

100 miles per hour

1 foot per second

1 meter per second

muscle cells

stem cells

skin cells

liver cells

100 years

1 month

1 year

10 years

telegraph

hormonal

electrical impulses

proteins