The World of the Living

In this chapter, we will learn about the diversity of organisms on earth and the need to conserve them. This chapter discusses biodiversity, the problem associated with its loss, and ways to conversing by protecting the areas.

This chapter discusses the cell: the basic structural unit of organisms, their variations, types, and preparing a slide to view cells. It also explains the structure of a cell, the difference between plant and animal cells, cell division, and its growth.

In this chapter, we will learn about the endocrine system, the glands, and the hormones. We will also study the role of hormones in the human body, the period of adolescence, the different stages of puberty in both men and women, and the menstrual cycle.

This chapter discusses different types of reproduction, reproduction in human beings, and the male and female reproductive organs. It also explains the gender issues and myths, and the problems of adolescent pregnancy.