D. keratin and c. freely movable
Answer:50
Explanation:Erectile dysfunction (ED) is defined as persistent difficulty achieving and maintaining an erection sufficient to have sex. Causes are usually medical but can also be psychological. Organic causes are usually the result of an underlying medical condition affecting the blood vessels or nerves supplying the penis.
Occurs when a man can't get or keep an erection firm enough for sexual intercourse.
Treatable by a medical professional
Usually self-diagnosable
Lab tests or imaging rarely required
Chronic: can last for years or be lifelong
Erectile dysfunction can be a sign of a physical or psychological condition. It can cause stress, relationship strain and low self-confidence.
I think because so they can stay healthy for while
Answer: I will help you, what your question I don’t see it
Explanation:
