muscle

wire

nerve

the brain

liver cells

skin cells

muscle cells

stem cells

stem cells

glial cells

prison cells

muscle cells

10 years

1 month

100 years

1 year

all of the above

a nerve

spinal cord

brains

they help carry oxygen to different parts of your body

they regenerate very quickly

they do not have a nucleus

they are very long compared to other cells in the body

150 meters per second

1 foot per second

100 miles per hour

1 meter per second

bipolar neurons

multipolar neurons

pyramidal neurons

Purkinje neurons

electrical impulses

hormonal

telegraph

proteins