muscle

nerve

the brain

wire

all of the above

a nerve

spinal cord

brains

Purkinje neurons

bipolar neurons

pyramidal neurons

multipolar neurons

muscle cells

stem cells

liver cells

skin cells

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

they regenerate very quickly

muscle cells

stem cells

prison cells

glial cells

proteins

electrical impulses

telegraph

hormonal

1 meter per second

150 meters per second

100 miles per hour

1 foot per second

1 year

1 month

100 years

10 years