muscle cells

stem cells

prison cells

glial cells

150 meters per second

1 foot per second

1 meter per second

100 miles per hour

they regenerate very quickly

they are very long compared to other cells in the body

they do not have a nucleus

they help carry oxygen to different parts of your body

a nerve

spinal cord

all of the above

brains

skin cells

stem cells

liver cells

muscle cells

electrical impulses

telegraph

proteins

hormonal

nerve

muscle

wire

the brain

pyramidal neurons

multipolar neurons

Purkinje neurons

bipolar neurons

10 years

100 years

1 month

1 year