they help carry oxygen to different parts of your body

they regenerate very quickly

they are very long compared to other cells in the body

they do not have a nucleus

a nerve

brains

spinal cord

all of the above

nerve

wire

muscle

the brain

1 meter per second

150 meters per second

1 foot per second

100 miles per hour

electrical impulses

hormonal

proteins

telegraph

glial cells

stem cells

prison cells

muscle cells

1 month

1 year

10 years

100 years

skin cells

liver cells

muscle cells

stem cells

multipolar neurons

Purkinje neurons

pyramidal neurons

bipolar neurons