skin cells

liver cells

muscle cells

stem cells

brains

spinal cord

all of the above

a nerve

muscle cells

prison cells

glial cells

stem 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 meter per second

100 miles per hour

1 foot per second

150 meters per second

proteins

hormonal

telegraph

electrical impulses

100 years

1 month

1 year

10 years

the brain

wire

nerve

muscle

multipolar neurons

pyramidal neurons

bipolar neurons

Purkinje neurons