Circulatory System Questions 1. Pretend you are a blood cell returning to the heart through the superior vena cava. List all the structure of the heart you must pass through on your way to the lungs to get oxygen and to the rest of the body through the aorta. 2. Complete the following statement: “All blood vessels that carry blood away from the heart are called ___________________________. All blood vessels that carry blood towards the heart are called ___________________________. All arteries carry oxygenated blood except for the ___________________________ artery. All veins carry deoxygenated blood except for the ___________________________ vein. 3. When a red blood cell leaves the heart and reaches the capillaries, what does it drop off and what does it pick up? 4. The left ventricle is much thicker and stronger than the right ventricle. Why do you suppose this is? 5. Carbon monoxide is a deadly poisonous gas that is clear, colourless and odourless. It is produced when something burns and there very little oxygen. The reason it is poisonous is because it binds to the red blood cells better than oxygen. Why is this so dangerous? If a patient came into the hospital with carbon monoxide poisoning, what would a doctor do for them? 6. Blood does many things besides just carrying oxygen to the body. Give two other very important functions of blood.