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
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
High School Biology Compulsory Course 1, published by People's Education Press
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 |
---|---|---|
Beijing Normal University Edition Eighth Grade Biology Volume 1 | pptx | 6 MB |
Description
"Human Reproduction and Development" PPT download
Part One: Teaching Purpose
Knowledge:
1. Name the stages of postnatal development;
2. Explain the characteristics of pubertal development.
In terms of abilities: Cultivate students' active learning abilities such as asking questions, observing, discussing, reading, and analyzing data.
Emotions, attitudes and values: focus on physical and mental health in adolescence.
main difficulty
Stages of postnatal development, pubertal development.
Human Reproduction and Development PPT, Part 2: Human Growth and Development Stages
Human development after birth usually refers to the developmental stages from birth to sexual maturity.
adolescence
concept:
It is the period when human gonads begin to develop and mature.
It is the transition stage from childhood to adulthood.
The World Health Organization considers the age range of puberty to be 10 to 20 years old.
Analyze data on postnatal development of the human body
Purpose: Understand the characteristics of pubertal development by analyzing data and pictures about human growth and development.
1. Analyze the growth curve of the average height of men and women and find out the age groups at which men and women grow rapidly, slowly, and basically stop.
2. Analyze the graphs related to the growth rate of different parts of the body, and outline the growth and development characteristics of the entire body, brain, and reproductive organs during adolescence.
3. Comparatively analyze the similarities and differences in body proportions between males and females in newborns and adolescence.
4. Analyze the body shape differences between adolescent boys and girls.
Human Reproduction and Development PPT, Part 3: Think About It
1. What are the main characteristics of height and weight changes during adolescence?
2. Based on the characteristics of brain development in adolescence, think about how to make yourself smarter?
3. Are the body changes of boys and girls related to the gonads? Try to give a reason.
Characteristics of growth and development during adolescence
(1) Changes in body shape
1. Rapid growth in height
2. Rapid weight gain
(2) The functions of the brain and internal organs tend to be perfected
1. The structural and functional development of the brain is gradually improved.
2. Enhance heart function
Stroke volume increases, heart rate decreases
3. Enhance respiratory function
Increased lung capacity
(3) Sexual development and maturation
1. Maturation of reproductive organs
After entering puberty, the reproductive organs develop rapidly under the influence of hormones. The size of male testicles increases, secretes male hormones, begins to produce sperm, and nocturnal emissions occur. The amount of female ovaries increases, secretes estrogen, begins to produce egg cells and menstruation occurs. This marks the beginning of the human body's ability to reproduce.
2. The emergence of secondary sexual characteristics
Concept: primary sex characteristics, secondary sex characteristics
Examples of secondary sexual characteristics
Causes of secondary sex characteristics
Keywords: Beijing Normal University version of the eighth grade biology PPT courseware for the first volume free download, human reproduction and development PPT courseware, .PPT format;
For more information about the PPT courseware "Reproduction and Development of Biology and Reproduction and Development of Humans", please click the Reproduction and Development of Biology ppt and Reproduction and Development of Humans ppt tags.
"Human Reproduction and Development" PPT courseware:
"Human Reproduction and Development" PPT courseware Part One: Learning Objectives 1. Understand the characteristics of pubertal development and the concept of health care. 2. Understand the various stages of human development and other aspects. Learn the physiological characteristics of adolescence and understand that this period is a time for learning...
"Human Reproduction and Development" PPT:
"Human Reproduction and Development" PPT Part One Content: Topic Exploration 1. When biological growth and development reaches a certain stage, new individuals will be produced, which reflects the _____ characteristics of living things. 2. On the basis of metabolism and under the regulation of nerves and hormones, the body's _____..
File Info
Update Time: 2024-10-02
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