The phallus consists of 2 components – body and head. within the body of the phallus square measure 2 parallel chambers of spongy tissue known as Corpora Cavernosa. He most accountable for erections. Below them is another chamber, Corpus spongiosum, through that the duct that carries the seed and excretory product.
Corpora cavernosa consists of little arteries and veins, sleek muscle fibers and also the empty cavity. Chambers were wrapped in skinny tissue (tunica albuginea).
When sexually aroused, nerve signals cause relaxation of muscle fibers within the arteries of commerce and enlargement.This allows enhanced blood flow that fills the cavity within the chambers within the phallus.
Intensified pressure from the additional blood makes the tissue round the chamber pressure veins that ordinarily carry blood from the phallus. It keeps the blood within the phallus. As additional blood to the phallus touches such will increase ANd gets arduous to achieve an erection.
When sexual excitement passes, sleek muscles square measure re-collect, take away the pressure from the veins and permits blood to the phallus odtiče that is then came to the relaxed state
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