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Why is the male reproductive system positioned outside the abdominal cavity in a scrotum?
Answer & Solution
Correct answer: A.
1. Sperm-forming cells in the testis are sensitive to temperature.
2. Core body temperature would impair sperm production.
3. The scrotum keeps the testes a few degrees cooler than the abdomen.
_Source: NCERT Class 10 Science, Ch 7 "How do Organisms Reproduce", §7.3.3_
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