1) What is digested food used for in our bodies? a) To provide energy only. b) To provide energy, for growth and to provide chemicals to make new substances c) To provide oxygen d) To provide carbon dioxide 2) What is the name of the process that releases energy in our bodies? a) photosynthesis b) excretion c) reproduction d) respiration 3) What substance is used as the main energy resource in our bodies? a) protein b) glucose c) oxygen d) water 4) In what ways is burning similar to respiration? a) Both reactions produce oxygen and water b) Both reactions use oxygen and water. c) Both reactions occur in one uncontrolled step. d) Both reactions release energy and produce carbon dioxide. 5) How is oxygen transported around the body? a) carried on red blood cells b) as a gas c) carried on white blood cells d) attached to glucose 6) The heart and blood vessels make up the: a) breathing system. b) digestive system. c) nervous system. d) circulatory system. 7) The heart has two halves. This is because: a) one half pumps blood to the lungs, and the other half pumps blood around the rest of the body. b) one half is not used except in an emergency. c) one half pumps blood around the body one way, and the other half pumps blood around the body in the other direction. d) one half pumps blood, and the other half pumps water carrying dissolved food. 8) smallest blood vessels are called: a) veins b) arteries c) capillaries d) tributaries 9) The word equation for aerobic respiration is: a) glucose + carbon dioxide -> water + oxygen (+ energy) b) glucose + oxygen -> water + carbon dioxide (+ energy) c) oxygen + carbon dioxide -> water + glucose (+ energy) d) oxygen + water -> glucose + dioxide (+ energy) 10) What part of the lung is labelled Y, in the diagram? a) diaphragm b) windpipe c) air sac d) bronchus 11) The movement of particles from an area where they are in a high concentration to an area where they are in a lower concentration is called: a) dissolving b) transport c) diffusion d) excretion 12) The air we breathe in contains: a) more oxygen and more water vapour than the air we breathe out. b) more oxygen and less carbon dioxide than the air we breathe out. c) more carbon dioxide and less oxygen than the air we breathe out. d) more carbon dioxide and less water vapour than the air we breathe out.
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respiration8-quiz
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