Part A: Modified True/False

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Chapter 3 Quiz

Part A: Modified True/False Indicate whether each statement is true or false. If false, change the underlined word or phrase to make the statement true. f 1. The diaphragm is the only muscle involved in breathing. Not only muscle t 2. Veins are blood vessels that have valves. f 3. Urea is more toxic than ammonia .less f 4. Bile is produced in the gall bladder. liver t 5. Antigens cause antibodies to be produced in the body. f 6. Sensory neurons carry messages from the brain to muscle tissue. motor

Part B: Matching Match the following substances with the correct system. (a) oxygen (b) carbon dioxide (c) antibody (d) urea (e) adrenaline (f ) antigen e 7. causes the heart to beat faster d 8. produced in the liver a 9. present in blood pumped from left ventricle b10. exhaled from the lungs f11. produced by a pathogen c12. produced by white blood cells

Part C: Multiple Choice Circle the letter beside the answer that best completes the statement or answers the question. 13. Which of the following is the correct order air travels during inhalation? (a) nasal cavity, epiglottis, trachea, lungs (c) epiglottis, nasal cavity, trachea, lungs (b) nasal cavity, trachea, epiglottis, lungs (d) trachea, nasal cavity, epiglottis, lungs 14. Which of the following describes inhalation? (a) diaphragm and rib muscles contract, chest cavity becomes larger (b) diaphragm and rib muscles relax, chest cavity becomes larger (c) diaphragm and rib muscles contract, chest cavity becomes smaller (d) diaphragm and rib muscles relax, chest cavity becomes smaller

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Chapter 3 Quiz (continued)

15. Which chamber receives blood low in oxygen from the body? (a) right ventricle (c) right atrium (b) left ventricle (d) left atrium 16. The second function of the excretory system is to . (a) control body temperature (c) remove solid waste (b) regulate body water (d) break down fats 17. Which of the following digestive organs does food not go through? (a) esophagus (c) liver (b) stomach (d) colon 18. Which two systems regulate the body? (a) circulatory, respiratory (c) endocrine, circulatory (b) digestive, excretory (d) endocrine, nervous 19. Which of the following is the body’s first line of defence? (a) blood (c) antibodies (b) skin (d) lungs Part D: Short Answer Use sentences to answer the following questions. 20. Explain how the respiratory system and the circulatory system are related. Respiratory system takes in the O that the circulatory system transports to the body cells. The waste CO2 is transported by the circulatory system to the lungs, where it is exhaled. When the body needs more O, the heart beats faster and the breathing rate increases toe exchange more O and CO2. 21. Label the following diagram of the heart. Indicate the left and the right side. Use arrows to show the direction of flow through the heart. Use a “D” to indicate blood with little oxygen and “O” to indicate oxygenated blood. See heart diagram from notes 22. On the back of this page, use a flow chart to show the path of food from the mouth to the anus. Label all of the parts that food passes through. mouth esophagus stomach small intestine large intestine rectum anus. 23. On the back of this page, list the parts of the body’s first line of defence against foreign bodies. Give their functions. Skin produces oils and sweat which prevents microorgansims to grow, Mouth nose and throat produce mucus to trap particles, stomach acid kills germs as they get in the stomach, hairs in nostrils filter out particles, the eyes produce tears to kill bacteria, the ears produce ear wax to trap foreign invaders.