they are very long compared to other cells in the body

they regenerate very quickly

they do not have a nucleus

they help carry oxygen to different parts of your body

1 year

100 years

1 month

10 years

bipolar neurons

pyramidal neurons

Purkinje neurons

multipolar neurons

100 miles per hour

150 meters per second

1 foot per second

1 meter per second

brains

a nerve

all of the above

spinal cord

wire

muscle

the brain

nerve

stem cells

liver cells

skin cells

muscle cells

muscle cells

stem cells

glial cells

prison cells

electrical impulses

proteins

telegraph

hormonal