12. It is made up of sperm and fluid that comes from the prostate gland, seminal vesicle and Cowper's gland. * O A. egg cell O B. fetus O C. semen D. zygote
Seminal fluid, or semen, is a slightly alkaline mixture of sperm cells and secretions from the accessory glands. Secretions from the seminal vesicles make up about 60 percent of the volume of the semen, with most of the remainder coming from the prostate gland.