all of the above

spinal cord

brains

a nerve

muscle cells

stem cells

glial cells

prison cells

pyramidal neurons

bipolar neurons

multipolar neurons

Purkinje neurons

1 foot per second

1 meter per second

150 meters per second

100 miles per hour

the brain

wire

nerve

muscle

electrical impulses

hormonal

proteins

telegraph

1 month

1 year

10 years

100 years

stem cells

liver cells

muscle cells

skin cells

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