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Your Changing Body

Your Changing Body . Bellringer:. Make a list of ten ways you have changed since you were in first grade. Your Changing Body:. Adolescence is the stage of development between childhood and adulthood. Puberty is the part of adolescence when the reproductive system becomes mature.

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Your Changing Body

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  1. Your Changing Body

  2. Bellringer: • Make a list of ten ways you have changed since you were in first grade.

  3. Your Changing Body: • Adolescence is the stage of development between childhood and adulthood. • Puberty is the part of adolescence when the reproductive system becomes mature.

  4. What Makes You Grow? • The changes that happen during puberty are caused by hormones. • A hormone is a chemical made in one part of the body that is carried through the bloodstream and causes a change in another part of the body. • Hormones are made and released by the endocrine system.

  5. Endocrine System: • The hormones that cause sexual maturation are called the sex hormones. • Testosterone is the main male sex hormone. • Progesterone and estrogen are the main sex hormones of females. • Estrogen and testosterone are found in both males and females. Males have more testosterone than females do. Females have more estrogen than males do.

  6. Endocrine system: • The pituitary gland secretes human growth hormone and follicle-stimulating hormone. These hormones stimulate physical growth and the development of the reproductive organs.

  7. Endocrine System: • The thyroid gland secretes thyroxine, which helps regulate body growth and development.

  8. Endocrine System: • The adrenal gland secretes cortical sex hormones, which help regulate the development of sex characteristics that signal the physical differences between males and females.

  9. Endocrine System: • The ovaries secrete estrogen and progesterone. Estrogen affects the development of female sex characteristics. Progesterone allows the uterus to prepare for pregnancy. • The testes secrete testosterone. Testosterone affects sperm production and the development of male sex characteristics.

  10. Endocrine System:

  11. Individual Differences in Development: • Many different factors affect your development. These factors include heredity, nutrition, your weight and fitness level, and your general health. • Boys and girls mature at different times and at different rates. And not every boy or girl changes in the same way or at the same time as his or her classmates.

  12. Endocrine System Activity Volunteers…..

  13. Physical Changes in Boys • Show picture from book

  14. Physical Changes in Girls • Show picture from book

  15. Lesson Review: • What are hormones? • What are sex hormones? • What are some factors that affect the rate at which a person grows and develops? • What are some changes that boys go through? • What are some changes that girls go through?

  16. Your Changing Mind

  17. Bellringer: • Describe a behavior that you would classify as risky and another behavior you would classify as brave….

  18. Development of Mental Abilities • Children have many of the same mental abilities as adults do. However, as children get older, their ability to think critically, or analyze ideas, improves. • During adolescence, you begin to rely more on critical thinking, particularly your ability for abstract thought.

  19. Abstract Thought.. • Abstract thought is thought about ideas that are beyond what you see or experience. • You begin to think critically about topics that are not part of your current surroundings or that don’t directly affect you.

  20. Abstract Thought.. • You may begin to consider complex moral and ethical ideas. • These new abilities are why adolescents usually become more concerned with justice, love, self-discovery, politics, and philosophy.

  21. Development of Behavior • Risky behaviors: Sexual activity, tobacco use, alcohol and drug use, unnecessary physical risks, poor nutrition, and lack of exercise. • One of the most important tasks of adolescence is learning to make good decisions about your health. The ability to think abstractly helps you understand both the short-term and the long-term consequences of your actions.

  22. Graph:

  23. Lesson Review: • What is abstract thought? • Name one important task of adolescence. • What are the six main categories of risky behaviors?

  24. Questions…

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