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Which of the following helps the testes to suspend in the scrotal sac?

The testes are suspended in the scrotal sac through the spermatic cords. The spermatic cord is a soft, round cable-like structure that suspends the testis. The spermatic cord is a bundle of structures that runs from the testis through the inguinal canal and into the abdomen. It consists of the vas deferens, blood vessels, nerves, and lymphatic vessels that supply the testis. The spermatic cord also contains the cremaster muscle, which helps to regulate the temperature of the testis by contracting and relaxing, bringing the testis closer to or farther away from the body. The spermatic cord anchors the testis in the scrotum, allowing it to move freely within the sac and also giving it enough support and protection.