Ejaculation
Semen is usually a white or yellowish fluid. It starts off being slightly thick and sticky, then after a while, it becomes more watery. Semen contains many chemicals. These include citric acid, fructose (a type of sugar), enzymes that speed up chemical reactions in the body, lipids (substances that fat is made of), and slippery fluids that help the semen to move through the urethra.