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International School Manila

International School Manila. Systems: Digestive Circulatory Respiratory . #1 The esophagus is. A muscular tube that connects the mouth and stomach. Where nutrients are absorbed. A:. B:. A hollow tube with cartilage rings. Not always needed. C:. D:. B. #2

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International School Manila

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  1. International School Manila Systems: Digestive Circulatory Respiratory

  2. #1 The esophagus is A muscular tube that connects the mouth and stomach Where nutrients are absorbed A: B: A hollow tube with cartilage rings Not always needed C: D:

  3. B

  4. #2 The pulmonary artery sends blood to the Lungs Heart A: B: Small Intestines Brain C: D:

  5. A

  6. #3 Nutrients are absorbed in the Large Intestines Stomach A: B: Mouth Small Intestines C: D:

  7. D

  8. #4 One of the main function of the circulatory system is Send CO2 around the body Carry Nutrients around the body A: B: Pump oxygen around the body Both b and C C: D:

  9. D

  10. #5 Veins Send blood to the heart Send blood away from the heart A: B: Both a and B Neither A and B C: D:

  11. A

  12. #6 The alveoli sacs Are located on the trachea Are in the heart A: B: Where gas exchange takes place Decrease the surface area of the lungs C: D:

  13. C

  14. #7 The circulatory system is divided into 2 loops, why? Because the brain needs blood The body is too big for 1 loop A: B: Blood needs to be pumped to the lungs to receive oxygen, then to be pumped around the body Deoxygenated blood is sent to the heart to be pumped around the body C: D:

  15. C

  16. #8 Deoxygenated blood coming back to the heart enters The right atrium The left atrium A: B: The right ventricle The left ventricle C: D:

  17. A

  18. #9 When the diaphragm moves down, it Creates Low pressure causing air to rush in and inflate the lungs Creates High pressure causing air to rush in and inflates the lungs A: B: Creates High pressure causing air to rush out and deflates the lungs Creates Low pressure causing air to rush out and deflates the lungs C: D:

  19. A

  20. #10 Why does the left ventricle have thicker walls than the right ventricle? Because it develops first Because it does A: B: It sends blood to the lungs It has to pump blood all around the body C: D:

  21. D

  22. #11 How are the respiratory and the circulatory systems linked? The circulatory system supplies blood around the body Nutrients need to get to the lungs and heart A: B: The lungs provide the O2 and allows the blood get rid of CO2 from the body The blood is pumped back to the heart by the pulmonary artery C: D:

  23. C

  24. #12 Why are the trachea and esophagus not built the same? The esophagus needs to push food down while the trachea made up of cartilage so it’s flexible You wouldn’t want the wind pipe to close A: B: They are built the same Both A and B C: D:

  25. D

  26. #13 What are 2 differences between real lungs and our models? The jar couldn’t move but our ribs expand and contract The diaphragm moved up to inflate lungs in the model A: B: There was no gas exchange Both A and C C: D:

  27. D

  28. #14 Arteries send blood away from the heart, veins send blood to the heart, capillaries… Are small vessels where nutrients and gas exchange take place Send blood to the heart A: B: Pick up CO2 from the lungs Are small vessels that absorb nutrients. C: D:

  29. B

  30. #15 Explain diffusion…. Picking up O2 and leaving CO2 Low air pressure to High Air pressure A: B: Gases going from a high concentration to a low concentration Gases going from a low concentration to a high concentration C: D:

  31. D

  32. EXTRA QUESTIONS

  33. #16 Why do we breathe? It is a fact of life. There is nothing we can do. In order for us to live A: B: To find out if our rib cage and diaphragm are working properly To get oxygen needed to extract energy C: D:

  34. C

  35. #17 How does the heart function as a system within a system? It helps distribute air with the heart acting as a pump, blood vessels as pathway, and blood as carriers. It helps distribute blood with the heart acting as a pump, blood vessels as pathway, and blood as carriers. A: B: It has heart vessels to supply itself with nutrients Both A and C C: D:

  36. A

  37. #18 which of the following is TRUE about the air we breathe? We bring oxygen from the outside to the lungs and remove carbon dioxide from it. We breathe in a mixture of gases in air A: B: Both A and B None of the above C: D:

  38. B

  39. Great Job!!!! Thank you for playing!

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