muscle cells

prison cells

stem cells

glial cells

wire

nerve

the brain

muscle

they do not have a nucleus

they help carry oxygen to different parts of your body

they are very long compared to other cells in the body

they regenerate very quickly

stem cells

skin cells

liver cells

muscle cells

brains

all of the above

a nerve

spinal cord

100 years

1 month

10 years

1 year

150 meters per second

100 miles per hour

1 meter per second

1 foot per second

telegraph

hormonal

proteins

electrical impulses

Purkinje neurons

bipolar neurons

multipolar neurons

pyramidal neurons