Breathing is a process that (i) provides O2 to the body. (ii) breaks down food to release energy. (iii) helps the body to get rid of CO2. (iv) produces water in the cells. Which of the following gives the correct combination of functions of breathing? (a) (i) and (ii) (b) (ii) and (iii) (c) (i) and (iii) (d) (ii) and (iv)
ScienceClass 7CBSEAnswered 27 Mar 2026
Answer
Soln:
The answer is (c) (i) and (iii)
Explanation:
Breathing is a process oxygen-rich air is taken inside the body and carbon-di-oxide rich air is expelled from the body with the help of respiratory organs.
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