stem cells

muscle cells

skin cells

liver cells

electrical impulses

hormonal

proteins

telegraph

Purkinje neurons

pyramidal neurons

bipolar neurons

multipolar neurons

100 miles per hour

150 meters per second

1 foot per second

1 meter per second

stem cells

prison cells

glial cells

muscle cells

all of the above

a nerve

spinal cord

brains

1 year

100 years

10 years

1 month

they do not have a nucleus

they help carry oxygen to different parts of your body

they regenerate very quickly

they are very long compared to other cells in the body

wire

the brain

muscle

nerve