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.
Overview. The prostate is a glandular organ of the mammalian male reproductive system. The prostate gland sits at the base of the bladder surrounding the urethra, which is the urinary canal that connects the bladder to the penis.