1) What is your heart? a) water b) flesh c) blood d) a muscle e) an organ 2) what is the Vena Cavae? a) the biggest veine b) the brain c) your blood 3) How many Bronchis do you have? a) b) c) d) e) 4) How many times does your heart beat a day? a) 350,850 b) 25,000 c) 100,000 d) 82,000 5) What is the Artries? a) carries oxygenated blood to the rest of the body b) little blue and red people 6) What are veins a) carries blood to the lungs to become oxygenated b) little roads  c) blood vessels 7) What is the job of Trachea? a) helps you breath b) filters the air we breath c) makes you think d) all of them

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