bipolar neurons

multipolar neurons

Purkinje neurons

pyramidal neurons

stem cells

glial cells

muscle cells

prison cells

they regenerate very quickly

they are very long compared to other cells in the body

they help carry oxygen to different parts of your body

they do not have a nucleus

a nerve

spinal cord

all of the above

brains

the brain

wire

muscle

nerve

proteins

hormonal

electrical impulses

telegraph

100 years

1 month

10 years

1 year

muscle cells

liver cells

skin cells

stem cells

150 meters per second

1 meter per second

100 miles per hour

1 foot per second