wire

the brain

muscle

nerve

multipolar neurons

Purkinje neurons

pyramidal neurons

bipolar neurons

muscle cells

prison cells

glial cells

stem cells

skin cells

muscle cells

stem cells

liver cells

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

10 years

1 month

100 years

1 year

brains

spinal cord

all of the above

a nerve

150 meters per second

1 meter per second

1 foot per second

100 miles per hour

proteins

telegraph

electrical impulses

hormonal