Fifth Grade Science Volume 1, Textbook Edition
Science Edition for Sixth Grade Science Volume 2
Third Grade Science Volume 2, Textbook Edition
Science Edition for Sixth Grade Science Volume 1
Third Grade Science Volume 1, Textbook Edition
Fourth Grade Science Volume 2, Textbook Edition
Fourth Grade Science Volume 1, Textbook Edition
Qingdao Edition Fourth Grade Science Volume 2
Hunan Education Edition Fourth Grade Science Volume 1
E-education edition fifth grade science volume 1
E-education edition fifth grade science volume 2
Fourth-grade science volume 2 of the E-education edition
Qingdao Edition Fifth Grade Science Volume 2
Fifth Grade Science Volume 2, Textbook Edition
Zhejiang Education Edition Seventh Grade Science Volume 2
Hunan Education Edition Fifth Grade Science Volume 2
!["Human Life" PPT](http://daogebangong.oss-cn-beijing.aliyuncs.com/ppt/preview/1/52a5eb3b-6f0e-4e1a-a0f3-641a2cc05f49.webp)
Category | Format | Size |
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Qingdao Edition Fifth Grade Science Volume 2 | pptx | 6 MB |
Description
"Human Life" PPT
Part One: Content Import
The story of the "Sphinx" mystery
The Sphinx is a winged monster in Greek mythology with the body of a lion and the head of a woman. Sitting on a cliff near the city of Thebes, he asked passers-by a riddle: "What walks on four legs in the morning, two legs at noon, and three legs at night?" If the passers-by couldn't guess, they were killed. Oedipus guessed the answer to the riddle, and the Sphinx jumped off a cliff to her death in shame.
In the morning of life, man is a weak and helpless child, crawling on his hands and feet;
In the year of his life he became a mature man and walked on two feet;
In old age, at the end of life, he needs support. So he set up a crutch as a third foot.
Human Life PPT, Part 2: Problem Exploration
(1) Communicate about a person’s life-long physical changes
Question 1. Compare what changes have occurred in your body, psychology, language, behavior, etc. since childhood?
Question 2. Do you know what characteristics other people’s bodies have?
Please express your opinions based on your relatives or friends.
Question 3. In your opinion, what are the most obvious stages of physical changes in people from childhood to old age?
summary
Growth, development, aging and death are processes that humans must experience. After a person is born, his body gradually grows until he grows into a strong adult, and then his body gradually ages until he dies. This is an objective law. Generally speaking, a person's life goes through four stages of development: development (from birth to 20 years old), maturity (20 to 40 years old), decline (40 to 60 years old), and aging (after 60 years old). From birth to death is an inevitable process in human life. Human physical characteristics develop and change relatively slowly, and there is no obvious boundary between the physical characteristics of the two adjacent stages. Each stage of human development lasts relatively long, and the length of each stage varies from person to person. Each stage can be divided into several different periods.
(2) Explore what changes have taken place in our bodies from elementary school to the present.
1. What will you find in your physical examination form since elementary school?
2. Many aspects indicate that the students’ bodies have changed since they started school. Using these data to draw tables or graphs will make research more obvious and convenient. So how do you want to study it?
When teenagers are 10 to 20 years old, their height and weight grow rapidly. This stage is puberty. The age at which puberty begins varies from person to person, but is generally two years earlier for girls than for boys. Adolescence is the transitional period from childhood to adulthood and is a critical stage in human physical and mental development.
Human life PPT, the third part: the trajectory of life
the beginning of human life
(1) Beginning: differentiation begins from the fertilized egg
(2) Fetal period: 9 months of pregnancy
It is characterized by rapid growth and gradual functional maturation of tissues and organs.
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Infancy: refers to after birth to 1 year old.
Infancy is characterized by extremely rapid growth. Within 1 year, the weight is three times that of birth, and the length can be twice that of birth.
Early childhood: 1-3 years old.
The physical growth rate during this period is slower than that of infancy, but language, movement and expression abilities develop significantly.
Human Life PPT, Part 4: Adolescence
How to provide good health care during adolescence?
(1) Adolescence is a critical period for body growth and a final stage for physical health. Teenagers who are growing and developing should eat more foods rich in protein, calcium, phosphorus and vitamins, and should not be picky about their food.
(2) Pay attention to personal hygiene, bathe frequently, change clothes frequently, get haircut frequently, cut nails frequently, and wash bedding frequently.
(3) Pay attention to food hygiene, do not drink raw water, do not eat raw, cold and unclean food; do not overeat, do not smoke, do not drink alcohol; do not do strenuous exercise within half an hour after a meal; do not use other people's bowls, chopsticks, teacups and towels.
(4) Pay attention to eye protection and eye hygiene, so that the spine does not bend when reading or writing; do not lie down to read; do not study in strong sunlight or dimly lit places; do not read in a moving vehicle or boat or while walking; do not use your eyes for a long time It should not be too long.
(5) Boys should protect their throats and refrain from shouting; girls should not tighten their waists and chests, otherwise it will affect their physical development.
(6) Actively participate in physical exercise, insist on regular work and rest, and pay attention to the balance between work and rest.
How to grow up healthily during adolescence
(1) Establish lofty ideals, concentrate on your own studies, learn scientific and cultural knowledge well, and develop your own specialties.
(2) Shape a good mind and cultivate your own sentiment; learn correct aesthetic viewpoints and exercise your aesthetic ability.
(3) Actively participate in various cultural and sports activities and social practice activities, and participate in more group cultural and sports activities.
(4) Discuss more learning problems with classmates, exchange learning experiences and learning methods, talk more with parents and teachers, and enhance your interpersonal skills.
Adolescence is the transitional period from childhood to adulthood and is a critical stage in human physical and mental development. During this stage, while taking care of our physical health, we should also pay attention to our mental health. We must achieve coordinated physical and psychological development and successfully spend the wonderful time of adolescence.
Human Life PPT, Part 5: Exercise Design
1._____, ______, ______ and _____ are continuous processes that people must experience.
2. Human life can be divided into four periods: ______, _____, ______ and _____.
3. From 10 to 20 years old, height and weight increase rapidly. This age group is called ______.
4. True or false questions.
(1) The age at which puberty begins is generally two years earlier for boys than for girls. ( )
(2) During the development stage of adolescence, we must eat reasonably and strengthen physical exercise. ( )
5. Regarding the statement about the onset of puberty, which of the following is correct ( )
A. Generally, boys come earlier than girls. B. Generally, girls come earlier than boys.
C. Boys and girls are the same D. None of the above statements are correct
6. Adolescence is a critical period for human physical and mental development. How to improve adolescent health care? Please write down your opinions.
(1) Strengthen physical exercise; (2) Eat a reasonable diet; (3) Ensure adequate sleep; (4) Regular psychological consultation.
Human Life PPT, Part Six: Expanding the Ark
Adolescence is the transitional period from children to adults.
Generally speaking, girls go through puberty earlier than boys, starting at about 10 to 12 years old, while boys start at 12 to 14 years old. However, due to great individual differences, the period from 10 to 20 years old is usually collectively referred to as adolescence.
Adolescence is a critical period for rapid growth and development of the human body, and it is also the second peak of growth and development in life after infancy. During this period, both boys and girls undergo many huge and wonderful changes inside and outside their bodies. Therefore, mastering and understanding the changes in the body during this period is undoubtedly a very important event for children to successfully survive adolescence.
Puberty refers to the stage when an individual's sexual function is from immature to mature. Biologically speaking, it refers to the transformation period of human body development from immaturity to maturity, that is, the transition period of a child from childhood to adulthood. Not only do physical changes occur during adolescence, but also psychological changes often occur.
The main characteristics of white people: White people have whiter or light brown skin, higher cheekbones, high and narrow nose bridge, and developed beards and body hair. Eye and hair color are not characteristic of white people. Caucasians have tall nose bridges. This is a characteristic that they gradually evolved because they need to adapt to cold climates in order to better moisturize and warm the air entering the lungs.
The main characteristics of the yellow race: The skin color is in the middle of all races in the world, and is yellow or tan. The hair is mostly black, straight and hard, and some people have slightly curly hair. The beard and body hair are not very developed; the face shape ranges from flat to narrow and long. The cheekbones are prominent. The nose is of medium width and the bridge of the nose is not high; the lips are of medium thickness, most of which protrude slightly forward; the eye fissures are medium and the eyeballs are brown. The spade-shaped structure on the lingual surface of the upper incisors is also one of the distinctive features of yellow people.
The main characteristics of black people are: dark skin, dark and curly hair, dark eyes, broad and flat nose, thick and everted lips, less beard and body hair. The ultraviolet radiation in places where black people live is much stronger than in areas with high latitudes. Therefore, black people need more melanin to protect their skin, which is why they are black.
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Update Time: 2024-08-31
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