Human Body - Endocrine, Circulatory and Nervous Systems

In this chapter, we will learn coordination mechanisms in humans. It explains the terms exocrine and endocrine glands, endocrine system, and hormones. It also describes the changes that occur during adolescence and the importance of personal hygiene.

This chapter explains the mechanism of the nervous system through the diagram. It elaborates the central nervous system and its significant roles. We will also discuss the structure of a neuron and the process of the common reflex action.

This chapter clarifies the structure of the heart and the process of blood circulation. It illustrates the categorisation of blood groups and the lymphatic system. The functioning of the heart is also illustrated here.