Reaching the age of Adolescence

IMPORTANT

Science Solutions from Chapter -1 - Reaching the age of Adolescence

In this chapter, you will learn the changes of human body after which a person becomes capable of reproduction. It discusses the adolescence and puberty, the role of hormones in initiating reproductive function and reproductive phases of human life.

Practice Other Topics from Reaching the age of Adolescence

This topic explains adolescence and puberty. The period of life when the body undergoes changes leading to reproductive maturity is called adolescence. It begins around the age of 11 and lasts up to 18 and 19 years of age.

This topic discusses the changes that occur in human body during puberty. The changes include increase in height, change in body shape, voice change, development of sex organs, reaching intellectual and emotional maturity, etc.

Science>Biology>Reaching the age of Adolescence>Secondary Sexual Characters

This topic describes the secondary sexual characters. These characters help to differentiate the male from female. The changes which occur at adolescence are controlled by hormones.

Science>Biology>Reaching the age of Adolescence>Role of Hormones in Reproductive Functions

In this topic we will explore various roles of hormones that make a child grow into an adult. We shall learn about the adolescence, puberty and various changes during puberty.

Science>Biology>Reaching the age of Adolescence>Reproductive Phase of Life in Humans

This topic explains the reproductive phase of human life. It also explains the various phases in females such as menstruation, menarche and menopause. The reproductive phase of life in men lasts much more than in women.

This topic describes how male and female sex organs begin to mature at puberty. We will also study how the thread like structure called chromosomes helps in sex determination in detail.

Science>Biology>Reaching the age of Adolescence>Hormones other than Sex Hormones

In this topic, we shall discuss the hormones other than sex hormones and their significant features. It includes a figure which shows the position of various endocrine glands in the human body.

Science>Biology>Reaching the age of Adolescence>Role of Hormones in Completing the Life History of Insects and Frogs

We know that certain insects pass through several stages to become an adult. This topic explains the metamorphosis in frog and the role of hormones in completing the life history of insects and frogs.

This topic explains the importance of reproductive health, balanced diet, physical exercise and personal hygiene. The awareness about risks of drugs are also highlighted here.