1) Which organs do we use for breathing? a) Liver b) Stomach c) Kidneys d) Lungs e) Intestines f) Eyes 2) How many lungs do we have? a) 1 b) 2 c) 3 d) 4 e) 5 3) Where are the lungs located in the body? a) the abdomen b) the thorax 4) What is the name of the breathing system that contains the lungs? a) Circulatory b) Digestive c) Respiratory d) Nervous e) Reproductive 5) During inhalation breathing in], the intercoastal muscles between ribs contract causing the ribcage to move... a) down and in b) up and out 6) During inhalation [breathing in] the ................ contracts and moves down a) Lungs b) Windpipe c) Bronchus d) Diaphragm 7) During inhalation [breathing in] the volume inside your chest a) Increases b) Decreases c) stays the same 8) During inhalation [breathing in] the increased chest volume causes... a) An increase in pressure inside your chest - so air rushes in b) A decrease in pressure inside your chest - so air rushes in c) no difference in pressure in the chest 9) Which of these is the correct order for inhalation [breating in]? a) alveoli, bronchi, bronchioles, trachea, nose/mouth b) nose/mouth, traches, bronchi, bronchioles, alveloli c) nose/mouth, alveoli, bronchioles, bronchi, trachea 10) Where does GAS EXCHANGE [O2 and CO2] take place? a) Mouth b) Nose c) Trachea [windpipe] d) Bronchi e) Bronchioles f) Alveoli [air sacs] 11) Which is NOT a way that alveoli are adapted to their job of gas exchange? a) thin walled b) moist c) thick walled d) lots of blood capillaries e) large surface area 12) Which is the correct definition of RESPIRATION? a) The breakdown of large food molecules into smaller molecules b) The breakdown of food for energy 13) What is NOT TRUE about AEROBIC RESPIRATION? a) It produces lots of energy b) It is the reaction glucose + energy c) It produces carbon dioxide + water d) It produces lactic acid 14) Where does respiration take place? a) Only in the lungs b) In ALL cells 15) What is NOT TRUE about ANAEROBIC RESPIRATION? a) It can make ethanol and carbon dioxide in fermentation b) It doesn't use oxygen c) It only produces a little energy d) It can produce lactic acid in animals [cramp] e) It produces carbon dioxide and water 16) WHERE in a cell does respiration take place? a) Nucleus b) Cell membrane c) Cytoplasm d) Mitochondria

Breathing & Respiration KS3

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