People's Education Edition Biology for Grade 8, Volume 1
People's Education Edition Biology for Grade 8, Volume 2
People's Education Edition seventh grade biology volume 1
People's Education Press High School Biology Compulsory Course 2
Beijing Normal University Edition Seventh Grade Biology Volume 2
People's Education Press seventh grade biology book volume 2
Beijing Normal University Edition Eighth Grade Biology Volume 1
High School Biology Compulsory Course 1, published by People's Education Press
Beijing Normal University Edition Seventh Grade Biology Volume 1
Beijing Normal University Edition Eighth Grade Biology Volume 2
Jiangsu Education Edition Seventh Grade Biology Volume 1
Jiangsu Education Edition 8th Grade Biology Volume 1
Jiangsu Education Edition Seventh Grade Biology Volume 2
Jiangsu Education Edition 8th Grade Biology Volume 2
Category | Format | Size |
---|---|---|
Jiangsu Education Edition Seventh Grade Biology Volume 2 | pptx | 6 MB |
Description
"The combination of sperm and egg gives birth to a new life" PPT courseware
Part One: Introduction of New Course
Where did I come from?
learning target
1. Overview the structure and function of the male and female reproductive systems;
2. Explain that testicles and ovaries are the main reproductive organs of males and females respectively.
The life of an individual organism is limited
How does the life of the race continue?
Through the reproductive process, new individuals can be produced from generation to generation, allowing the life of the race to continue.
The composition and functions of the human reproductive system
The male and female reproductive systems are composed of a series of reproductive organs
The reproductive process of the human body is completed under the joint action of these reproductive organs.
The combination of sperm and egg gives birth to a new life PPT, Part 2: The structure and function of the male reproductive system
components of male reproductive system
Testicles: produce sperm; secrete male hormones
Vas deferens: carries sperm
Penis: transports sperm to the female reproductive organ-the vagina
1. Produce sperm
2. Secrete male hormones
3. Transport sperm to the female reproductive organ-vagina
The combination of sperm and egg gives birth to a new life PPT, Part 3: The structure and function of the female reproductive system
components of female reproductive system
Fallopian tube (carrying egg cells and site of fertilization)
Ovary (produces eggs and secretes estrogen)
uterus the place where the fetus is conceived
Vagina (the channel through which sperm enters and exits the fetus)
functions of female reproductive system
Ovary: produces eggs and secretes estrogen
Receive sperm and provide a good development environment for fertilized eggs and embryos, etc.
1. Produce eggs
2. Secrete estrogen
3. Receive sperm and provide a good development environment for fertilized eggs and embryos.
The combination of sperm and egg gives birth to a new life PPT, Part 4: Feedback in class
1. Male reproductive organs include ( )
① Uterus ② Seminal vesicles and prostate ③ Vas deferens ④ Testis ⑤ Epididymis ⑥ Vagina
A.① ② ③ ⑤ B.② ③ ④ ⑤
C.② ③ ④ ⑥ D.③ ④ ⑤ ⑥
2. In the male and female reproductive systems, the organs that can produce germ cells are ( )
A. Prostate, uterus B. Testicles, ovaries
C. Epididymis, vagina D. Vas deferens, fallopian tube
Keywords: Jiangsu Education Edition seventh grade biology PPT courseware for the second volume is free to download, the combination of sperm and egg gives birth to a new life PPT download, .PPT format;
For more information about the PPT courseware "The Union of Sperm and Egg Breeds New Life", please click the "The Union of Sperm and Egg Breeds New Life" PPT courseware.
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File Info
Update Time: 2024-10-05
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