What is fertilization? Where and how does it occur?

Fertilization is the process of fusion of female and male germ cells with the formation of a zygote. In humans, internal fertilization occurs in the genital tract of a woman.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.