brains

spinal cord

all of the above

a nerve

pyramidal neurons

Purkinje neurons

multipolar neurons

bipolar neurons

1 meter per second

150 meters per second

100 miles per hour

1 foot per second

liver cells

muscle cells

skin cells

stem cells

1 year

100 years

1 month

10 years

stem cells

muscle cells

glial cells

prison cells

they help carry oxygen to different parts of your body

they regenerate very quickly

they are very long compared to other cells in the body

they do not have a nucleus

wire

the brain

muscle

nerve

telegraph

electrical impulses

hormonal

proteins