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.
The lungs are an important part of the respiratory system,lungs allow you to breathe. The lungs are part of the respiratory system and they include airways that carry air in and out of your lungs, blood vessels surrounding the lungs, and the muscles that help you breathe.
1) d 2)d 3)b 4)b 5)a 6)i think d 7)b 8)d 9)d 10)a
Answer:

remembering conceived as involving the use of general knowledge stored in one's memory to construct a more complete and detailed account of an event or experience
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Muscle and body fat do not play a role in BMI scales; age and gender however do play a role.