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Busy at Work – Our Internal Organs — EVS STD 5 — Question

Maharashtra BoardEnglish MediumSTD 5EVSBusy at Work – Our Internal Organs3 Marks
Question
Describe which systems work together to provide the body with energy.
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Answer

The oxygen present in the inhaled air enters the blood due to the respiratory system. The food is digested and it also enters the blood due to the digestive system. The blood then flows to every part of the body due to circulatory system and it supplies the digested food and oxygen.

The food acts as fuel and it bums slowly in presence of oxygen releasing energy. This energy is then used by various parts of the body to do work. Thus the respiratory system, digestive system and circulatory system work together to provide the body with energy.

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