Why can't I get an erection? Erectile dysfunction causes and treatments - Erection teen
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Erections are a perfectly normal function of the male body, especially in guys who are going through puberty. An erection is a hardening of the penis that occurs when sponge-like tissue inside the penis fills up with blood. Usually, an erection causes the penis to enlarge and stand. An erection involves the brain, nerves, hormones, muscles, and circulatory system. These systems work together to fill the erectile tissue in the.