glial cells

stem cells

muscle cells

prison cells

100 miles per hour

1 meter per second

150 meters per second

1 foot per second

electrical impulses

hormonal

telegraph

proteins

they help carry oxygen to different parts of your body

they do not have a nucleus

they are very long compared to other cells in the body

they regenerate very quickly

the brain

wire

nerve

muscle

10 years

1 month

1 year

100 years

muscle cells

stem cells

skin cells

liver cells

brains

all of the above

a nerve

spinal cord

bipolar neurons

multipolar neurons

Purkinje neurons

pyramidal neurons