Male sex organs diagram
The genetic material from the male and female has combined so that a new individual can be created. Once a guy has reached puberty, he will produce millions of sperm cells every day. The sperm use their tails to push themselves into the epididymis, where they complete their development. If you think you have symptoms of a problem with your reproductive system or if you have questions about your growth and development, talk to your parent or doctor — many problems with the male reproductive system can be treated. When the body is cold, the scrotum shrinks and becomes tighter to hold in body heat. Boys also undergo a growth spurt during puberty as they reach their adult height and weight. In terms of reproduction, puberty signals the time when a man has fully-functioning sexual organs and is capable of fathering an offspring.
This pouch-like sac hangs below the penis and encases the testes, or testicles. Testosterone is a major part of puberty in guys, and as a guy makes his way through puberty, his testicles produce more and more of it. The epididymis and the testicles hang in a pouch-like structure outside the pelvis called the scrotum. These chambers are made up of special, sponge-like tissue. It transports and stores sperm cells that are produced in the testes. The external male genitalia include the penis, urethra, and scrotum. Hair begins to appear in the pubic area and later it grows on the face and underarms. The sperm leaves the penis in a mixture of secretions designed to nourish and transport the cells into the female reproductive system for procreation. During the first stage of male puberty, the scrotum and testes grow larger. These glands produce a clear, slippery fluid that empties directly into the urethra. In the human reproductive process, two kinds of sex cells, or gametes pronounced: Penis The penis consists of three main parts: The epididymis stores, matures, and transports sperm between the testes and the vas deferens, which channels sperm toward the urethra. As the penis fills with blood , it becomes rigid and erect, which allows for penetration during sexual intercourse. Most testicular injuries occur when the testicles are struck, hit, kicked, or crushed, usually during sports or due to other trauma. When it's warm, the scrotum becomes larger and more floppy to get rid of extra heat. Each sex has its own unique reproductive system. The vas deferens transports mature sperm to the urethra, the tube that carries urine or sperm to outside of the body, in preparation for ejaculation. When the body is cold, the scrotum shrinks and becomes tighter to hold in body heat. Although the timing of these changes is different for every guy, the stages of puberty generally follow a set sequence: When the male ejaculates during intercourse, semen is deposited into the female's vagina. Both the male and female reproductive systems are essential for reproduction. This is a varicose vein an abnormally swollen vein in the network of veins that run from the testicles. A varicocele is usually not harmful, although in some people it may damage the testicle or decrease sperm production, so it helps for a guy to see his doctor if he's concerned about changes in his testicles. Semen is pushed out of the male's body through his urethra — this process is called ejaculation.
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