Human Body, Health & Hygiene

Our body works like a machine with many systems working together to perform different functions. The important systems are nervous system, circulatory system, digestive system, excretory system, etc. This topic explains the working of the nervous system.

In this chapter, we will learn about nutrients and the importance of nutrition for the growth and development of the body. The deficiency of these nutrients leads to various diseases.

This chapter discusses in detail the different kinds of communicable diseases. We will learn about diseases that spread from one person to the other, which are called communicable diseases.