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.
The male reproductive system is a series of organs located outside of the body and around the pelvic region of a male that contribute towards the reproduction process. The primary direct function of the male reproductive system is to provide the male sperm for fertilization of the ovum.