they do not have a nucleus

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they regenerate very quickly

Purkinje neurons

multipolar neurons

pyramidal neurons

bipolar neurons

the brain

wire

muscle

nerve

1 foot per second

1 meter per second

100 miles per hour

150 meters per second

a nerve

spinal cord

brains

all of the above

glial cells

prison cells

muscle cells

stem cells

telegraph

proteins

electrical impulses

hormonal

liver cells

skin cells

muscle cells

stem cells

100 years

1 year

1 month

10 years