muscle

wire

nerve

the brain

brains

all of the above

spinal cord

a nerve

muscle cells

liver cells

skin cells

stem cells

1 month

10 years

1 year

100 years

multipolar neurons

pyramidal neurons

Purkinje neurons

bipolar neurons

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

150 meters per second

1 meter per second

100 miles per hour

1 foot per second

prison cells

glial cells

stem cells

muscle cells

telegraph

proteins

electrical impulses

hormonal