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Among the penile tissues, which specific structures retain their pliability during an erection? Conversely, which structures become rigid? Additionally, what role do the pliable tissues serve in this context respectively?
Corpora cavernosa; corpus spongiosum; support the erection.
Corpus spongiosum; corpora cavernosa; contribute to keeping the urethra open.
Corpora cavernosa; corpus spongiosum; assist in contracting the testis during ejaculation.
Corpus spongiosum; corpora cavernosa; maintain the openness of the urethra
Answers (1)
During an erection, the corpus spongiosum, which surrounds the urethra, retains its pliability. This allows the urethra to remain open and unobstructed during ejaculation. On the other hand, the corpora cavernosa, which are located on the sides of the penis, become rigid and filled with blood, resulting in the firmness of the penis.
The pliable nature of the corpus spongiosum is crucial in maintaining the openness of the urethra, ensuring the smooth passage of semen during ejaculation. This helps facilitate the proper function of the reproductive system.Hence, the correct answer is option 4.
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