muscle cells

liver cells

stem cells

skin cells

brains

spinal cord

a nerve

all of the above

pyramidal neurons

multipolar neurons

Purkinje neurons

bipolar neurons

stem cells

prison cells

glial cells

muscle cells

muscle

wire

nerve

the brain

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

1 year

1 month

10 years

100 years

1 foot per second

150 meters per second

100 miles per hour

1 meter per second

telegraph

proteins

hormonal

electrical impulses