Explanation:
The testes create sperm that develops in the epididymis, a coiled tube. After $exual contact, they pass via the oviducts and combine with fluids generated by the prostate gland and seminal vesicles. The sperm then proceed down the urethra to the tip of the shaft, where they are discharged into the genital canal of the female. YW:)
Exposure to radiation and toxins. This is because the radiation can basically fry the sperm causing many reproductive issues in men.
Cervical - this usually pertains to the individual's neck or to the female's cervix.
Thoracic - The thoracic is located on an individual's chest area in which the ribs connects to in order to protect the human's organs.
Lumbar - The lumbar area is located in the lower area of an individual's back