muscle

wire

the brain

nerve

multipolar neurons

pyramidal neurons

Purkinje neurons

bipolar neurons

spinal cord

a nerve

brains

all of the above

1 year

1 month

10 years

100 years

muscle cells

prison cells

stem cells

glial cells

150 meters per second

100 miles per hour

1 meter per second

1 foot per second

liver cells

skin cells

stem cells

muscle cells

they help carry oxygen to different parts of your body

they do not have a nucleus

they are very long compared to other cells in the body

they regenerate very quickly

telegraph

proteins

hormonal

electrical impulses