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A male has an erection when_____.a. muscles running the length of the penis contractb. germ cells release a surge of testosteronec. the posterior pituitary releases oxytocind. spongy tissue inside the penis fills with blood
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An erection is a physiological phenomenon in which the penis becomes firm, engorged, and enlarged. This happens due to a complex interaction of psychological, neural, vascular, and endocrine factors. Show more…
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