they help carry oxygen to different parts of your body

they regenerate very quickly

they do not have a nucleus

they are very long compared to other cells in the body

Purkinje neurons

pyramidal neurons

bipolar neurons

multipolar neurons

1 foot per second

150 meters per second

100 miles per hour

1 meter per second

spinal cord

a nerve

brains

all of the above

100 years

1 year

10 years

1 month

the brain

muscle

wire

nerve

electrical impulses

proteins

hormonal

telegraph

prison cells

muscle cells

stem cells

glial cells

skin cells

stem cells

muscle cells

liver cells