Human Body

This chapter deals with excretion in humans. It discusses the substances that need to be excreted from the human body. The human excretory system is described here. We will also learn about osmoregulation and disorders of the urinary system.

In this chapter, we will learn about the nervous system in detail. It highlights the nervous and chemical coordination, along with the structural and functional unit of the nervous system. We will also learn about the parts of the human nervous system.

This chapter discusses various allergies in detail. It illustrates the entry route of allergies through skin, mouth and nose. The signs and symptoms of allergies are explained here. We will also learn about some common allergic reactions and their precautions.