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Growth, Development, and Reproduction of Organisms: Human Body Systems
Fertilization
Description
Fertilization
Fertilization is the process in which a sperm cell from a male and an egg cell from a female join together to form a new life. This is the first step in the development of a new organism. In animals, fertilization usually happens inside the female’s body, while in ...
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Transcript
Every human life starts from a single cell formed when a sperm combines with an egg, usually in the fallopian tube.
But first, the ovary must release an egg. Each month during ovulation, an ovary releases one mature egg into the fallopian tube, where it can survive for about 24 hours.
If, during sexual intercouse, sperm enter the va...
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