they regenerate very quickly

they help carry oxygen to different parts of your body

they do not have a nucleus

they are very long compared to other cells in the body

bipolar neurons

pyramidal neurons

multipolar neurons

Purkinje neurons

muscle cells

stem cells

liver cells

skin cells

1 foot per second

1 meter per second

150 meters per second

100 miles per hour

prison cells

muscle cells

glial cells

stem cells

1 year

100 years

1 month

10 years

spinal cord

all of the above

brains

a nerve

nerve

muscle

the brain

wire

telegraph

hormonal

electrical impulses

proteins