Which condition is a cause of impotency in men ?

When the men's penis doesn't erect during sexual intercourse causes impotency.

Explanation:

Impotence is a condition of sexual dysfunction in men. This is common in older people. This is a condition when the men's penis can't erect. Therefore, it also calls the erectile dysfunction.  This happens due to excess stress, smoking, and drinking. The major cause of it, when the blood supply to the penis is not proper. It happens due to heart disease, diabetes, hormonal imbalance, atherosclerosis.

answer: dinosaur

explanation

their extinction was caused by massive asteroid that fell on earth

what is shown in the image?

eukaryote

chloroplast

mitochondrion

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