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The energy is obtained from food by a process called “A”. The process of exchange of gaseslike “B” and “C” occur in a structure called “D”. The process of renewing air in the lungs is called “E”. The “F” protects the trachea from collapsing. Now, answer these questions. 1. Name the gases ‘B’ and ‘C’.2. Name the structure ‘D’.3. Name the process ‘E’.4. What happens if ‘F’ is absent?5. Define the process ‘A’. |
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Answer» Answer: 1. B-- oxygen C--- carbondioxide 2.allvioli 3.E respiration 4.lungs may damage and person may die 5. DIGESTION::- A process of breakdown of complex FOOD materials in to SIMPLE food material |
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