Explore the biological facts of semen composition, from pH levels to the 50+ compounds found in a single ejaculation. Learn the science behind sexual health.

Semen is a feat of biological engineering, a complex transport medium containing over fifty different compounds designed to protect genetic messengers in a hostile environment.
Eating cum


![Table 1. [The Composition of Human Semen (adapted from Ganong )]. - Endotext - NCBI Bookshelf](https://d1y2du6z1jfm9e.cloudfront.net/assets/podcast/purple.png)





While people often use the terms interchangeably, sperm and semen are biologically distinct. Sperm cells are the genetic messengers and actually make up a very small fraction of the total volume, typically only two to five percent. Semen, on the other hand, is the complex transport medium and life-support system designed to protect those cells in a hostile environment.
The average volume of a single ejaculation is surprisingly small, measuring only about 3.4 milliliters, which is less than a teaspoon. Despite this small amount, it is a sophisticated biological cocktail containing over fifty different compounds. This mixture includes a variety of elements such as hormones, neurotransmitters, and immunosuppressants that function together as a complex transport medium.
Semen is a feat of biological engineering with specific chemical properties designed for cell survival. It typically maintains a pH level between 7.35 and 7.50, making it slightly alkaline. Beyond its pH, the fluid contains a diverse array of substances including proteins, hormones, and neurotransmitters, which serve as a sophisticated life-support system for the genetic material it carries.
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