Question Video: Identifying the Prostate Gland in the Male Genital System | Nagwa Question Video: Identifying the Prostate Gland in the Male Genital System | Nagwa

Question Video: Identifying the Prostate Gland in the Male Genital System Biology • Third Year of Secondary School

The figure shows a side view of the organs of the male reproductive system. What is structure B?

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Video Transcript

The figure shows a side view of the organs of the male reproductive system. What is structure B? (A) Bladder, (B) seminal vesicle, (C) Cowper’s gland, bulbourethral gland, (D) prostate gland, or (E) epididymis.

Sperm are produced by the seminiferous tubules in the testes. A single testis is shown as structure E. The sperm is stored in the epididymis where it matures until ejaculation. During ejaculation, the sperm move along a tube called the vas deferens as shown by structure A. The sperm continue through this tube to eventually exit the body through the urethra in the penis, which is shown as structure D.

Along the way, the sperm are mixed with different secretions from exocrine glands. One of these glands is shown as structure C. This is the seminal vesicle. Another gland is shown as structure B, the prostate gland. These glands secrete fluids that mix with the sperm and form the semen that’s ejaculated. Therefore, structure B is given by answer choice (D), prostate gland.

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