muscle

nerve

the brain

wire

1 year

1 month

100 years

10 years

a nerve

all of the above

brains

spinal cord

they regenerate very quickly

they are very long compared to other cells in the body

they do not have a nucleus

they help carry oxygen to different parts of your body

150 meters per second

1 foot per second

100 miles per hour

1 meter per second

prison cells

muscle cells

glial cells

stem cells

muscle cells

stem cells

skin cells

liver cells

telegraph

proteins

electrical impulses

hormonal

pyramidal neurons

bipolar neurons

multipolar neurons

Purkinje neurons