prison cells

muscle cells

glial cells

stem cells

150 meters per second

1 foot per second

100 miles per hour

1 meter per second

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

electrical impulses

hormonal

proteins

telegraph

wire

nerve

the brain

muscle

multipolar neurons

bipolar neurons

pyramidal neurons

Purkinje neurons

1 month

100 years

10 years

1 year

muscle cells

liver cells

skin cells

stem cells

brains

a nerve

spinal cord

all of the above