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Guys penis shapes8/30/2023 When your penis is erect, you can't urinate (go to the bathroom) easily because a muscle closes the bladder off. What is an erection?Īn erection (hard-on/ boner) is caused by blood filling the penis and causing it to stretch in shape and size. This makes the penis become larger and harder and it stands out from the body. Erections can happen for many reasons but are usually caused by some sort of sexually arousing thoughts or stimulation (such as touching). Some men can come several times a day, others, fewer times. When a sperm fertilises an egg this is how a person becomes pregnant. When a man ejaculates, he releases on average a teaspoon of semen containing up to 300 million sperm. Semen is a combination of seminal fluid and sperm and is usually white/yellow milky liquid in which the sperm swim. Spots, bumps and moles are common on the scrotum and penis, and don't usually mean anything.If you play a sport where a blow, boot, or ball could damage your testicles, wear a plastic protector or shield. The scrotum hangs outside the body because sperm need to be kept cooler than your internal body temperature of 37C. The scrotum is usually darker in colour than the rest of the skin, and has hair on it. When it's cold, the scrotum can become wrinkled but when it is warm, the balls hang loose, and the surface of the scrotum is smooth. Testicles, (testes, balls), hang in a bag (scrotum) outside the body, just behind the penis. If there seems to be a problem and it is uncomfortable when the foreskin stretches you should consider talking to a doctor.Ĭircumcision is the removal of the foreskin, it is a simple operation and may be done for religious or medical reasons, but it doesn't affect the way the penis works. In some cases, the foreskin can be tight. ![]() The head of the penis is then completely exposed. When you get an erection, the foreskin stretches. The foreskin is a sleeve of skin that surrounds the head of the penis. Understanding different parts of the penis The foreskin The penis is a sex organ which is partly inside and outside of the body and used for sex as well as urinating (going to the toilet). The penis reaches its full size during puberty and all penis vary in shape and size.
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