"Human Reproduction and Development" PPT courseware

Description

"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, understand that this period is the best period for learning, and establish a good learning attitude.

3. Preliminarily form scientific sexual knowledge and correct sexual ethics, and realize that they have practical and long-term significance for physical and mental health.

Human reproduction and development PPT, part 2 content: course exploration

Explore theme one

postnatal development

Human development after birth usually refers to the developmental stages from birth to sexual maturity.

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, grow slowly, and basically stop growing.

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.

Explore theme two

pubertal development

Characteristics of pubertal development

1.Sudden increase in height and weight

2. The functions of the brain and internal organs tend to improve

3. Sexual development and maturation

(1) Primary sexual characteristics: the differences between male and female reproductive organs.

Male: The testicles increase in size, secrete male hormones, begin to produce sperm, and experience nocturnal emissions.

Female: The ovary mass increases, secretes estrogen, begins to produce egg cells and menstruation occurs.

(2) Secondary sexual characteristics: other gender differences that occur in men and women.

Male: long beard, protruding Adam's apple, loud and deep voice, etc.

Female: wide pelvis, developed breasts, higher pitch, etc.

Explore theme three

Menstruation and menstrual cycle

1. Menstruation: After a girl enters puberty, she will experience uterine bleeding once a month.

2. Menarche: The first menstrual period is called menarche. The age of menarche is mostly between 13 and 15 years old, but it may be as early as 11 to 12 years old and as late as 17 to 18 years old. There is not much difference in the age of menarche in various regions of our country, but menarche may be late for those who are weak or malnourished, and early for those who are strong and well-nourished.

3. Menstrual cycle: The first day of bleeding is called the beginning of the menstrual cycle, and the time between the first days of two menstrual periods is called a menstrual cycle. Generally it is 28~30 days. About 7 days in advance or delay is still within the normal range, and the length of the cycle varies from person to person.

Human Reproduction and Development PPT, Part 3: Class Summary

1. Postnatal development

2. Characteristics of pubertal development

1.Sudden increase in height and weight

2. The functions of the brain and internal organs tend to improve

3. Sexual development and maturation

3. Menstruation and menstrual cycle

4. Nocturnal emission phenomenon

5. Birth control and contraception

Human Reproduction and Development PPT, Part 4: Standard Training

1. Which of the following is not a male secondary sex characteristic ( )

A． Long beard B. Protruding Adam's apple

C. The tone of voice becomes higher D. Voice becomes lower

2. Students are currently in the period of puberty and development. Which of the following are not characteristics of puberty? ( )

A． sudden increase in height and weight

B. Secondary sexual characteristics appear

C. Brain weight increases rapidly

D． Increased brain excitability and easier to accept new things

3. Among the following measures, which one can improve the quality of the population is ( )

A． Late marriage B. Late childbearing C. Fewer children D. Eugenics

4. Entering adolescence, the correct relationship between boys and girls should be ( )

A． avoid each other b. Discriminate against each other

C. Get along in a reasonable and orderly manner D. fall in love

Keywords: Beijing Normal University version of the eighth grade biology PPT courseware for the first volume free download, human reproduction and development PPT download, .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 download:

"Human Reproduction and Development" PPT Download Part One: Teaching Purpose Knowledge: 1. Tell the stages of postnatal development; 2. Explain the characteristics of pubertal development. Ability: Cultivate students to ask questions, observe, discuss, read, analyze data, etc..

"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 _____..

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Update Time: 2024-11-22

This template belongs to biology courseware Beijing Normal University Edition Eighth Grade Biology Volume 1 industry PPT template

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