the brain

nerve

muscle

wire

Purkinje neurons

multipolar neurons

bipolar neurons

pyramidal neurons

glial cells

stem cells

muscle cells

prison cells

they help carry oxygen to different parts of your body

they do not have a nucleus

they regenerate very quickly

they are very long compared to other cells in the body

1 month

100 years

10 years

1 year

brains

spinal cord

a nerve

all of the above

1 meter per second

150 meters per second

1 foot per second

100 miles per hour

muscle cells

liver cells

stem cells

skin cells

hormonal

telegraph

electrical impulses

proteins