Q1 WEEK 1 PARALLEL ASSESSMENT

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PARALLEL ASSESSMENT SCIENCE 9 Q1 M1 - RESPIRATORY: Working with Other Organ Systems Direction : Read the following questions carefully and write the correct answer on the answer sheet provided. Do not write anything on this paper. 1. Which system is responsible for the exchange of oxygen and carbon dioxide between the air and the cells? A. circulatory B. digestive C. excretory D. respiratory 2. These are hair-like tubes connected to the bronchi which subdivide many times inside the lungs. A. alveoli B. bronchioles C. nasal passage D. trachea 3. What happens to the windpipe, or trachea, before it reaches the lungs? A. It branches in two directions. B. It closes up so that no oxygen can escape. C. It subdivides into smaller branches D. It remains open so oxygen and carbon dioxide can pass through 4. What important activity takes place in the lungs? A. Oxygen is exchanged for carbon dioxide. C. The alveoli are filled with air B. The trachea is exchanged for the larynx. D. Blood is exchanged for oxygen 5. Small air sacs in the lungs where many capillaries exchange carbon dioxide for oxygen taken into the body. A. Alveoli B. Bronchi C. Diaphragm D. Trachea 6. How do the lungs stay inflated? A. Each lung is ribbed with cartilage to prevent collapse on exhalation. B. The lungs rely on a vacuum within the chest, maintained by the diaphragm. C. The lungs produce water and air to stay inflated. D. The lungs rely on the millions of air sacs to stay inflated 7. Which organ serves as channel for airflow through the nose in which the air is warmed, cleaned and moistened? A. Alveoli B. Bronchus C. Nasal Passages D. Trachea 8. Which of the following is the job of the respiratory system? A. Eliminates toxins from the body. B. Facilitates gas exchange between the environment and the body’s circulatory system. C. Holds the body up and gives it support and shape. D. Provides external covering to the body 9. The two major organs of the respiratory system where the gas exchange takes place and carbon dioxide is given off and oxygen is taken in A. Lungs B. Kidneys C. Nostrils D. Ovaries 10. The chemical process in which oxygen and carbon dioxide are exchanged between the outside air and the cells is called A. Breathing B. Exhaling C. Inhaling D. Respiration 11. When we exhale, the chest cavity returns to its original size because the diaphragm muscle ___________ A. contracts downward C. relaxes upward B. moves sideward D. stop moving 12. If solid and liquid wastes are removed from the body through defecation and urination, what is released by the body as waste during respiration? A. Bad breath B. Carbon dioxide C. Oxygen D. Sweat 13. Air can enter the body and travel to the lungs through the ____________. A. Eyes and Mouth B. Ears and Nose C. Mouth and Nose D. Nose and Nervous System 14. A person died instantly after an accident. He did not have any injury to the brain, stomach, heart, neck and kidney. Which of the following could be the possible reason for his death? A. Appendix rupture B. Broken bones C. Diaphragmatic rupture D. RBC number dropped 15. When we breathe in, we inhale many gases, including oxygen. What happens to the gases that the body can’t use? A. They are exhaled. B. They are converted to water. C. They circulate through the body and are disposed of later. D. They remain inside the lungs.

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