Answer: Seminal vesicle
Step-by-step explanation:
Semen is a seminal fluid along with sperm cells secreted by the male reproductive tract. The semen is released during the process of copulation into female reproductive tract. It facilitates the fertilization of the sperm cell to the ovum.
The seminal vesicle contributes to the 60% of the seminal fluid composition. The fluid includes contents such as amino acids, citric acid, fructose, phosphorus, potassium and hormones such as prostaglandins.