respiratory system
pair of organs situated within the rib cage
what is lungs
carys blood through your tissues and organs
what is blood vessel
is a chemical compound
what is carbon dioxide
the hollow organ that pumps blood
what is heart
also called the wind pipe
what is trachea
a red liquid that goes through your body
what is blood
odorless reactive gas
what is oxygen
any of the tubes that leads the special liquid to the heart
what is veins
the principal organ in the olfactory system
what is nose
any of the muscular walled tubes that get blood to your heart
what is arteries