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SCIENCE QUIZ Test what you know by supplying the correct answer for each question below. 1. What is the first law of thermodynamics? 5. How does the body use protein? A Energy cannot be transferred from one form to another. A To remove waste from the bloodstream B Energy can be transformed from one form to another, but cannot be destroyed. C It doesn’t—protein is removed as waste C Energy is destroyed when it transforms from one form to another. D Energy cannot be transferred from one form to another and cannot be destroyed. 2. What is the path oxygen takes through the human body? A Nose and mouth Trachea Lungs Bloodstream Heart Entire body B Nose and mouth Trachea Heart Lungs Bloodstream Entire body C Nose and mouth Lungs Trachea Heart Bloodstream Entire body D Nose and mouth Lungs Heart Trachea Bloodstream Entire Body 3. What is the path food takes through the digestive system? A Mouth Esophagus Stomach Large intestine Small intestine Anus B To make glucose D To develop cells, tissues, and organs 6. How does the body use micronutrients like calcium and iron? A As the building blocks for cells, tissues, and organs B To serve various functions throughout the body, such as improve eyesight and strengthen bones C As an energy source D It doesn’t—micronutrients are removed as waste 7. Which part of your brain is responsible for the “fight or flight” response? A The somatic system B The central nervous system C The autonomic response system D The spinal cord 8. What hormone is produced during shortterm stress? A Adrenaline B Mouth Stomach Esophagus Large intestine Small intestine Anus B Cortisol C Mouth Esophagus Stomach Small intestine Large intestine Anus D Estrogen D Mouth Stomach Esophagus Small intestine Large intestine Anus 4. How are carbohydrates digested in the body? A They are broken into monosaccharides and carried to the liver, where they are converted to glucose. B They are broken into monosaccharides and carried to the stomach, where they are converted to glucose. C They are broken into polysaccharides and carried to the liver, where they are converted to glycogen. D They are broken into polysaccharides and carried to the stomach, where they are converted to glycogen. C Testosterone 9. What are the two main types of sleep? How many stages does each type have? Science QUIZ 10. Describe what is meant by the term energy balance. 11. What are two differences between aerobic and anaerobic metabolism? 12. What are bones primarily made of? 13. How does the body use fats? 14. Which micronutrient(s) may help to heal a cut or wound? 15. What is meant by the term circadian rhythm?