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Title: Why Are Testicles Outside the Body?

Description:
Have you ever wondered why the testicles are located outside the body? Unlike most internal organs, the testicles need a lower temperature (2-4°C below body temperature) for optimal sperm production. In this video, we explore the fascinating science behind this, including:

✅ The role of temperature regulation
✅ How the cremaster and dartos muscles adjust testicle position
✅ The importance of sperm maturation and protection

Watch till the end to learn why evolution designed it this way! Don’t forget to like, share, and subscribe for more curious science facts!

#HumanBody #Testicles #ReproductiveHealth #ScienceExplained