The World of the Living

This chapter discusses the world of the living. It explains the importance of the conservation of plants and animals. It also elaborates on biodiversity, threats to biodiversity, consequences of deforestation, endemic species, etc.

This chapter elaborates on the discovery of the cell, the cell theory, the structure of the cell, unicellular and multicellular organisms, etc. Discovery of the Cell. It also explains the plant and animal cells.

In this chapter, we explore the concept of reproduction. Here, we will learn about the types of reproduction, such as sexual reproduction and asexual reproduction. It also discusses reproduction in humans and viviparous and oviparous animals.

This chapter describes the function of the endocrine system. It also elaborates on the stages of puberty and adolescence, the menstrual cycle, health for adolescents, determining the sex of a baby, etc.