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With appropriate stimulation, the blood vessels that lead out of these compartments constrict, trapping blood.

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14y ago

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What causes a guys erection?

becoming sexually aroused, and a rush of blood to the penis.


If the cause of erections is blood flow why do you not have a constant erection?

Erections are not constant because the body has mechanisms that regulate blood flow to the penis. When you are not sexually aroused, blood flow to the penis is restricted by the contraction of blood vessels, preventing a continuous erection. Erections occur in response to sexual stimulation when these blood vessels relax, allowing increased blood flow to the penis.


Why does a penis expand and contract?

If you mean "Why does a penis become erect?' then the answer is simple. During the erectile process, excess blood flows into the Penis causing the sex organ to swell into a longer and harder extension of the body. This can happen because of sexual stimulation, puberty, or "happy thoughts" ( lol ). The reason it contracts into its smaller self is because the blood is flowing out of the penis. blood flow and release to and from the penis causes it to expand and contract...


What' causes a boner?

A boner, more formally known as an erection, is caused by the congestion of blood in the spongy tissue in the penis.


What does trapped heat cause?

Trapped heat causes a climate change.


Your partner has a pinch mark of blood on the head of his penis what should he do?

You mean like a bruise or a blister but with blood in it? It will dry out, just leave it or if it causes pain go see a doctor.


How do penis pumps work to enhance male sexual performance and satisfaction?

Penis pumps work by creating a vacuum around the penis, which increases blood flow and causes an erection. This can enhance sexual performance and satisfaction by improving the firmness and size of the erection.


What cause red veins on your penis?

Blood flowing out of your penis. Your penis is a balloon.


What causes the mumps?

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Why do penises pulsate?

They pulsate because they are being gorged with blood. This occurs when the heart pumps excess blood into the penis. The heart beating causes the penis to "pulsate" which is actually just a slight vibration (wiggle). If it is actually pulsating, getting bigger and smaller, it might be because he is overly excited or has a blood flow problem.


How much blood does it take to make a penis erect?

How much blood does it take to make a penis erect?


Is there cartilage in the penis?

Yes, there is no cartilage in the penis. The penis is made up of spongy tissue and blood vessels that become engorged with blood during an erection.