How your dick works

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The penis is the male sex organ consisting of the shaft, glans head and foreskin. The tube inside the penis is called the urethra, which carries urine from the bladder to outside the body. The penis is used for passing urine and for sex. When aroused, the blood vessels in the penis fill rapidly with blood—this makes the penis grow larger and firmer and is called an erection.
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Erection Ejaculation: How It Occurs

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Erection & Ejaculation: How Does It Work

Going to a Cleveland Clinic location? Blood trapped under high pressure creates an erection. Ejaculation is a reflex action controlled by the central nervous system. Urology The penis is made up of:. When the blood vessels of the corpora cavernosa relax and open up, blood rushes in through the cavernosus arteries to fill them.
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How Does an Erection Occur?

While most men tend to be fairly familiar with what their penis does , from erection to ejaculation , fewer will be aware of exactly how this sex organ works. What causes an erection, biologically speaking? How long can the average man stay erect?
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Understanding the physiological process of getting an erection can help you look at ED in a whole new light. Your penis has two chambers inside it called the corpora cavernosa. These chambers extend from the head of your penis deep into the pelvis. The insides of these chambers are made of spongy tissue and have the ability to gain blood volume and grow in size.
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