wire

nerve

the brain

muscle

pyramidal neurons

multipolar neurons

Purkinje neurons

bipolar neurons

they help carry oxygen to different parts of your body

they do not have a nucleus

they regenerate very quickly

they are very long compared to other cells in the body

telegraph

hormonal

proteins

electrical impulses

1 meter per second

150 meters per second

100 miles per hour

1 foot per second

prison cells

muscle cells

stem cells

glial cells

stem cells

muscle cells

skin cells

liver cells

1 year

10 years

1 month

100 years

a nerve

brains

spinal cord

all of the above