가입하는 데 1 분도 걸리지 않으며 무제한 영화 및 TV 타이틀을 즐길 수 있습니다.
The Miracle of Reproduction 1963 무료 무제한 액세스
It discusses the miracle of reproduction in nature, emphasizing that all life begins from tiny eggs. It illustrates the reproductive processes of plants, fish, birds, and mammals, detailing how pollen fertilizes seeds in flowers, how fish use milt to fertilize eggs, and how birds and mammals have unique methods for reproduction. It explains human reproduction, including the menstrual cycle, fertilization, and the development of a fetus in the mother's womb. The narrative concludes by highlighting the significance of love and marriage in raising children, showcasing the continuity of life through reproduction.
실행 시간: 15 의사록
품질: HD
해제: Jan 01, 1963
국가: United States of America
언어:
예어 : reproduction
