muscle

nerve

wire

the brain

they do not have a nucleus

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they regenerate very quickly

bipolar neurons

pyramidal neurons

Purkinje neurons

multipolar neurons

muscle cells

liver cells

stem cells

skin cells

glial cells

prison cells

stem cells

muscle cells

all of the above

spinal cord

brains

a nerve

proteins

telegraph

hormonal

electrical impulses

1 month

10 years

100 years

1 year

100 miles per hour

1 foot per second

1 meter per second

150 meters per second