muscle

nerve

wire

the brain

prison cells

glial cells

muscle cells

stem cells

10 years

1 year

100 years

1 month

telegraph

hormonal

electrical impulses

proteins

stem cells

skin cells

liver cells

muscle cells

they are very long compared to other cells in the body

they regenerate very quickly

they do not have a nucleus

they help carry oxygen to different parts of your body

brains

spinal cord

all of the above

a nerve

multipolar neurons

pyramidal neurons

Purkinje neurons

bipolar neurons

1 foot per second

150 meters per second

1 meter per second

100 miles per hour