the brain

muscle

nerve

wire

spinal cord

a nerve

brains

all of the above

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they do not have a nucleus

they regenerate very quickly

muscle cells

liver cells

skin cells

stem cells

Purkinje neurons

bipolar neurons

multipolar neurons

pyramidal neurons

1 meter per second

150 meters per second

100 miles per hour

1 foot per second

prison cells

glial cells

muscle cells

stem cells

100 years

10 years

1 year

1 month

proteins

hormonal

telegraph

electrical impulses