a nerve

brains

spinal cord

all of the above

nerve

wire

muscle

the brain

hormonal

telegraph

proteins

electrical impulses

prison cells

stem cells

muscle cells

glial cells

150 meters per second

1 meter per second

100 miles per hour

1 foot per second

skin cells

liver cells

stem cells

muscle cells

100 years

10 years

1 year

1 month

they help carry oxygen to different parts of your body

they do not have a nucleus

they are very long compared to other cells in the body

they regenerate very quickly

Purkinje neurons

bipolar neurons

multipolar neurons

pyramidal neurons