In 2016, the Louvre was the world's most visited art museum, receiving 7.3 million visitors. The museum is housed in the Louvre Palace, originally built as a fortress in the late 12th to 13th century under Philip II. Remnants of the fortress are visible in the basement of the museum.
The primary sex organ of a male is the testis. The testis is the reproductive gland of males. It produces spermatozoa and the androgens.
What the Male Reproductive System Does. The male sex organs work together to produce and release semen into the reproductive system of the female during sexual intercourse. The male reproductive system also produces sex hormones, which help a boy develop into a sexually mature man during puberty.