a nerve

all of the above

spinal cord

brains

muscle cells

liver cells

stem cells

skin cells

1 month

1 year

100 years

10 years

pyramidal neurons

multipolar neurons

Purkinje neurons

bipolar neurons

they are very long compared to other cells in the body

they do not have a nucleus

they regenerate very quickly

they help carry oxygen to different parts of your body

glial cells

muscle cells

stem cells

prison cells

telegraph

electrical impulses

hormonal

proteins

100 miles per hour

150 meters per second

1 foot per second

1 meter per second

muscle

wire

nerve

the brain