The elements of the periodic table sorted by name in an alphabetical list. Click on any element's name for further chemical properties, environmental data or health effects. This list contains the 118 elements of chemistry.
Structures of the male reproductive system include testes, accessory glands, penis, semen, and hormones. Testes. The testes are located outside the abdominal cavity, suspended in a sac called the scrotum, which is between the thighs. Each of the two testis (singular) is surrounded by a tough fibrous connective tissue capsule. The word for the testes originated in the Greek and so named for its oval shape â orchis.
The Male Reproductive System The main role of the male reproductive system is to make and deliver sperm. The testes are the main organs of the male system. Two testes are held in an external sac called the scrotum. The testes make sperm in tiny tubes called seminiferous tubules.The sperm mature and are stored in an epididymis. A tube called a vas deferens carries sperm from each testis to the urethra within the penis.Along the way, secretions of several glands form a nutrient-rich fluid called seminal fluid.he sperm mature and are stored in an epididymis. A tube called a vas deferens carries sperm from each testis to the urethra within the penis. Along the way, secretions of several glands form a nutrient-rich fluid called seminal fluid.