Purkinje neurons

bipolar neurons

pyramidal neurons

multipolar neurons

skin cells

muscle cells

liver cells

stem cells

they are very long compared to other cells in the body

they do not have a nucleus

they regenerate very quickly

they help carry oxygen to different parts of your body

spinal cord

all of the above

brains

a nerve

prison cells

muscle cells

glial cells

stem cells

1 year

1 month

10 years

100 years

wire

nerve

the brain

muscle

proteins

electrical impulses

telegraph

hormonal

150 meters per second

1 meter per second

1 foot per second

100 miles per hour