pyramidal neurons

multipolar neurons

bipolar neurons

Purkinje neurons

nerve

the brain

wire

muscle

stem cells

muscle cells

prison cells

glial cells

they regenerate very quickly

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

hormonal

proteins

telegraph

electrical impulses

all of the above

brains

a nerve

spinal cord

1 month

1 year

10 years

100 years

stem cells

liver cells

skin cells

muscle cells

1 meter per second

1 foot per second

100 miles per hour

150 meters per second