a nerve

brains

spinal cord

all of the above

hormonal

telegraph

electrical impulses

proteins

they do not have a nucleus

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

1 meter per second

150 meters per second

100 miles per hour

1 foot per second

glial cells

muscle cells

prison cells

stem cells

liver cells

muscle cells

stem cells

skin cells

100 years

10 years

1 year

1 month

Purkinje neurons

pyramidal neurons

bipolar neurons

multipolar neurons

the brain

wire

nerve

muscle