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0:51
YouTube
Talk With Nurse Susan
How the Penis Gets Hard: The Hidden Science of Erections Explained
Have you ever wondered how an erection actually happens? In this medically accurate and easy-to-understand video, we explain the fascinating science behind how the penis becomes erect. Learn how the brain, nerves, blood vessels, hormones, and erectile tissues work together to produce an erection, and why healthy blood flow is essential for ...
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1 month ago
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