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All internal sperm

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The testes are the primary reproductive organs and generate sperm cells through a process called spermatogenesis. The glands of the male reproductive system produce sperm and seminal fluid. The prostate gland, the seminal vesicles, and the bulbourethral glands contribute seminal fluid to semen, which carries and protects the sperm. During sexual intercourse, semen moves through a series of ducts to deliver the semen directly into the female reproductive system. The testes or testicles are the male gonads and sit below the penis within a sac called the scrotum. They are cm long, 2.
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Male Reproductive System

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Male Reproductive System (for Teens) - Nemours Kidshealth

Error: This is required. Error: Not a valid value. The male reproductive system contains the external genitals the penis, testes and the scrotum and internal parts, including the prostate gland, vas deferens and urethra. A man's fertility and sexual traits depend on the normal functioning of the male reproductive system, as well as hormones released from the brain.
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Internal fertilization

External fertilization usually occurs in aquatic environments where both eggs and sperm are released into the water. After the sperm reaches the egg, fertilization takes place. Most external fertilization happens during the process of spawning where one or several females release their eggs and the male s release sperm in the same area, at the same time.
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Reproduction is the process by which organisms make more organisms like themselves. But even though the reproductive system is essential to keeping a species alive, unlike other body systems, it's not essential to keeping an individual alive. In the human reproductive process, two kinds of sex cells, or gametes pronounced: GAH-meetz , are involved. The male gamete, or sperm, and the female gamete, the egg or ovum, meet in the female's reproductive system.
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