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My Body worksheet

CLASS-V               WORKSHEET-                   SUB: science TOPIC-MY BODY Q A. Choose the most appropriate answer. (Q.N0.1-10) 1. The process of take in oxygen and give out carbon dioxide is known as:     (a)inhalation           (b)exhalation   (c)breathing    (d)NOT 2. Which of the following is not a part of breathing system?     (a)Trachea  (b) oesophagus            (c) bronchi       (d) alveoli 3. Normal breathing rate of human being is:-     (a) 12-15 times /minutes                (b) 15-20 times /minutes     (c)...