Activity 1
Divide the students in your class into different groups (Form separate groups for boys and girls). Measure the height and weight of all the students in each group and find out the average. Record your observations in your notebook.
Activity 2
Answer the following questions.
* Has your voice changed?
* Are there pimples or acne on your face?
* Do you feel that some changes have taken place in your body?
These changes are normal in your development. Discuss with your teacher or counsellor in your school and clarify your doubts.
Activity 3
Collect data on the number of students in your class who exercise regularly and who do not exercise regularly. Do you notice any difference in their fitness and health? Prepare a report on the benefits of regular exercise.
Activity 4
Collect more information on balanced diet and prepare a chart. Display the chart in your class and discuss its importance.
Activity 5
Answer the following questions.
* Do you exercise regularly?
* Do you keep yourself clean?
* When do you go to bed?
* When do you get up?
Compare your response with that of your friends. Do you think you need to change yourself? Discuss with your teacher.
Testes and ovaries are called primary sex organs of the male and female respectively.
Estrogen is not a single hormone but a collection of related steroid hormones.
Now-a-days girls attain puberty at very early age. This is due to food habits. As you eat lot of junk food, the body growth increases and it looks like adults.
Sleep is vital to the well-being of adolescents. It can even help you to come out of the stress you experience during this period. During this period about 8 to 10 hours of sleep each night is necessary. But most teens do not have enough sleep which affects their physical and mental health.
Women should take in more iron in their diet regularly to make up for the loss of blood during menstruation.
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