Through food chain radioactive Sr (Sr90) is deposited in which part of human body?
Correct answer: C. Bones
- A. Kidneys
- B. Thyroid
- C. Bones
- D. Muscles
Explanation
Strontium-90 behaves chemically like calcium, so it is absorbed into the skeleton and deposited in bones. This creates a long-term internal radiation hazard, unlike iodine, which concentrates mainly in the thyroid.
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