Presentation on theme: "Growth and Development"— Presentation transcript:
1Growth and Development Chapter 8Growth and DevelopmentLesson 1Adolescence: A Time of ChangeClick for:>> Main Menu>> Chapter 8 AssessmentTeacher’s notes are available in the notes section of this presentation.Next >>
2The period between childhood and adulthood adolescenceendocrine systempubertyThe period between childhood and adulthoodA body system containing glands that regulate growth and other activitiesThe time when you start developing the physical characteristics of adults of your genderClick to reveal the definitions.
3In this lesson, you will learn to describe three kinds of changes you go through during the teen years.identify the structure and function of the endocrine system.analyze how a teen is influenced by peers.
4Organizing Information Divide a sheet of paper into three columns. Name each column for one of the sides of the health triangle. Write two changes that occur on each side.
5Changes During Adolescence Differences in how younger or older teens may look are caused by adolescence.Mood swings are a normal part of adolescence.adolescence The period between childhood and adulthoodAlthough teens experience these changes, they occur at different times and speeds for everyone.
6Changes During Adolescence Hormones are produced in the endocrine system.endocrine system A body system containing glands that regulate growth and other important activities
7Changes During Adolescence These glands make up the endocrine system:PituitaryThyroidAdrenalPancreasOvaries / TestesThe pituitary gland produces several hormones that control other glands and organs. It also regulates the body’s growth and development.The thyroid gland produces a hormone that regulates the speed at which your body turns food into energy. It also helps regulate growth.The adrenal glands produce adrenaline, a hormone that controls the body’s response to emergencies. They also play a role in digestion and help maintain a balance of salt and water in the body.The pancreas produces insulin, which controls the ability of body cells to use sugar for energy.The ovaries and testes produce hormones that control sexual development.
8Physical ChangesPhysical changes that occur during puberty include the growth of body hair and increased sweating, or perspiration.puberty The time when you start developing the physical characteristics of adults of your genderFemale ChangesMale ChangesIncreased level of female hormonesIncreased level of male hormonesAcneIncrease in perspirationUnderarm hairDevelopment of BreastsDeeper voiceIncrease in body fatFacial hairWider hipsBroadened shouldersFormation of mature eggsMuscle developmentPubic hairBeginning of menstrual cyclesProduction of sperm cellsEnlargement of external genitals
9Mental/Emotional Changes Changes in hormones can affect your feelings as well as your thoughts.You may experience mood swings.You might be happy one moment and sad the next. These shifts in emotions are called mood swings and are common in adolescence. Talk about your feelings with others. This will help you manage your feelings in a healthy way.
10Adolescence brings more responsibility. Social ChangesAdolescence brings more responsibility.As your friends become more important, choose friends that will support you and influence you in a positive way.Your parents may give you more responsibility such as asking you to help care for a younger sibling or to prepare meals.
11What I Learned Vocabulary Define endocrine system. Lesson 1 Review It is a body system containing glands that regulate growth and other activities.
12Lesson 1 ReviewWhat I LearnedRecall Name two physical changes that occur during puberty.Answer should include any of the changes listed in Figure 8.2.
13Lesson 1 ReviewWhat I LearnedIdentify What are some social changes that occur during adolescence?Sample answers: becoming more independent, having more responsibility, spending more time with friends, and experiencing the influence of peers
14Lesson 1 ReviewThinking CriticallyApply Peter gets teased by some of his peers because he is going through puberty. If you went to school with Peter, how would you teach these peers to respect Peter?Sample answer: These changes are normal for teens entering puberty.
15Lesson 1 ReviewThinking CriticallyEvaluate How do you think the changes you experience during puberty help you prepare for adulthood?Answers, which will vary, should show an understanding of the changes that occur during puberty.
16Growth and Development End ofChapter 8Growth and DevelopmentLesson 1Adolescence: A Time of ChangeClick for:>> Main Menu>> Chapter 8 Assessment