Respiration in Animals
See Answer
1: (a) Carbohydrates, 2: (b) Oxygen, 3: (d) Yeast, 4: (a) Ethyl aclohol, 5: (c) Lactic acid, 6: (c) Lungs, 7: (d) Alveoli, 8: (c) Diaphragm, 9: (b) Carbon dioxide, 10: (c) Skin, 11: (b) Stems, 12: (a) Lungs
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Class 7 Science Quiz
1: (a) Carbohydrates, 2: (b) Oxygen, 3: (d) Yeast, 4: (a) Ethyl aclohol, 5: (c) Lactic acid, 6: (c) Lungs, 7: (d) Alveoli, 8: (c) Diaphragm, 9: (b) Carbon dioxide, 10: (c) Skin, 11: (b) Stems, 12: (a) Lungs