If blood from the right and left sides of the heart mixes more, what will be the main disadvantage?
Answer and explanation
Correct answer: The body will receive less oxygen-rich blood
Normally, the right side of the heart carries deoxygenated blood to the lungs, whereas the left side sends oxygenated blood to the body. If the two sides mix excessively, the blood pumped to tissues contains less oxygen than normal. Cells then receive less oxygen for aerobic respiration, reducing efficient energy release and potentially causing fatigue. Therefore option A is correct; the other choices are biologically unrelated.
Frequently asked questions
What is the correct answer to this question?
The body will receive less oxygen-rich blood
Why is this the correct answer?
Normally, the right side of the heart carries deoxygenated blood to the lungs, whereas the left side sends oxygenated blood to the body. If the two sides mix excessively, the blood pumped to tissues contains less oxygen than normal. Cells then receive less oxygen for aerobic respiration, reducing efficient energy release and potentially causing fatigue. Therefore option A is correct; the other choices are biologically unrelated.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: World of Living. Topic: Life Processes.
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