pyramidal neurons

multipolar neurons

bipolar neurons

Purkinje neurons

muscle cells

prison cells

stem cells

glial cells

a nerve

all of the above

brains

spinal cord

proteins

hormonal

telegraph

electrical impulses

they help carry oxygen to different parts of your body

they regenerate very quickly

they are very long compared to other cells in the body

they do not have a nucleus

nerve

the brain

wire

muscle

10 years

1 year

100 years

1 month

150 meters per second

1 meter per second

100 miles per hour

1 foot per second

liver cells

skin cells

stem cells

muscle cells