brains

a nerve

spinal cord

all of the above

muscle

nerve

wire

the brain

1 meter per second

100 miles per hour

150 meters per second

1 foot per second

multipolar neurons

pyramidal neurons

bipolar neurons

Purkinje neurons

prison cells

stem cells

glial cells

muscle cells

1 month

1 year

100 years

10 years

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

skin cells

liver cells

telegraph

proteins

hormonal

electrical impulses