brains

spinal cord

all of the above

a nerve

multipolar neurons

bipolar neurons

pyramidal neurons

Purkinje neurons

100 miles per hour

1 foot per second

1 meter per second

150 meters per second

they do not have a nucleus

they regenerate very quickly

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

muscle cells

stem cells

glial cells

prison cells

liver cells

stem cells

muscle cells

skin cells

nerve

the brain

wire

muscle

1 year

100 years

1 month

10 years

electrical impulses

proteins

hormonal

telegraph