點解男人會車旗???
2007-08-25 2:59 am
點解男人會車旗???
回答 (2)
2007-08-25 3:35 am
✔ 最佳答案
陰莖通過自慰，或者性刺激就會通過初級勃起中樞形成完整的神經反射弧，血液進入陰莖的血管，使陰莖海綿體壓迫靜脈血管，血液無法倒流，從而使陰莖勃起。能持續相當長的時間， 完成性交活動。希望幫到你啦
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參考: By 比我做最佳回答呀
2007-08-25 3:07 am
when a male is sexually stimulated,
the erectile tissue of the peins is filled rapidly with blood.
the normally soft peins becomes erect.
the erectile tissue of the peins is filled rapidly with blood.
the normally soft peins becomes erect.
收錄日期: 2021-04-28 13:23:02
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070824000051KK04294