1) The air we breathe in and the air we breathe out are exactly the same a) True b) False 2) Oxygen passes into the blood in our lungs a) True b) False 3) All vertebrates breathe through lungs a) True b) False 4) The heart teansports air around the body a) True b) False 5) Veins carry blood rich in oxygen a) True b) False 6) Many vertebrates like birds and frogs have a heart in their circulatory systems a) True b) False 7) Name a) Nose b) Trachea c) Lungs 8) Name a) Nose b) Trachea c) Lungs 9) Name a) Nose b) Trachea c) Lungs 10) Arteries carry blood ... in oxygen a) rich b) poor

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