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Life Processes — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceLife Processes2 Marks
Question
The blood leaving the tissues becomes richer in a component. Name it.
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Answer

Blood leaving the tissues become rich in carbondioxide because it is a waste byproduct of respiration When the oxygenated blood reaches the tissues, it gives oxygen to the tissues and take up the carbon dioxide emitted from them and takes it back to the heart.

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