About 65-75% of the seminal fluid in humans originates from the seminal vesicles. Contain proteins, enzymes, fructose, mucus, vitamin C, flavins, phosphorylcholine and prostaglandins. High fructose concentrations provide nutrient energy for the spermatozoa as they travel through the female reproductive system.
Answered by The Community. Making the world better, one answer at a time. The average annual rainfall in Michigan is about 32 inches. This varies depending on area and it can change from year to year.he average annual precipitation in Germany varies in different regions. The range of annual precipitation is anywhere from 23 inches in most areas to up to 48 inches in the A â¦ lpine mountain region. 24 people found this useful. Julien Benney.
Average annual rainfall varies between 750 and 1000 millimetres (30 to 40 inches) in the drier eastern part of the country, while most other parts have average yearly totals of between 1000 and 1350mm (40 to 54 inches).