Which of the following best describes erectile dysfunction? The inability of an adult male to produce sperm The inability of an adult male to produce semen The inability of an adult male to achieve an erection The inability of an adult male to produce testosterone Question 15 Approximately what percentage of semen is comprised of sperm cells? 10% More than 10% 90% Less than 1%

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Which of the following best describes erectile dysfunction? The inability of an adult male to produce sperm The inability of an adult male to produce semen The inability of an adult male to achieve an erection The inability of an adult male to produce testosterone Question 15 Approximately what percentage of semen is comprised of sperm cells? 10% More than 10% 90% Less than 1%

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**Question 14:**The best description of erectile dysfunction is the **inability of an adult male to achieve an erection**. While testosterone plays a role in erectile function, the inability to produce it doesn't define ED specifically. Sperm and semen production are separate functions, and a man can experience ED while still producing both.**Question 15:**Less than **1%** of semen is comprised of sperm cells. The majority of semen volume comes from seminal fluid, which nourishes and transports the sperm.

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