they regenerate very quickly

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they do not have a nucleus

glial cells

prison cells

muscle cells

stem cells

1 year

100 years

10 years

1 month

muscle cells

liver cells

stem cells

skin cells

Purkinje neurons

bipolar neurons

pyramidal neurons

multipolar neurons

all of the above

spinal cord

a nerve

brains

150 meters per second

1 meter per second

1 foot per second

100 miles per hour

nerve

the brain

muscle

wire

hormonal

proteins

electrical impulses

telegraph