Unit IV

This chapter provides knowledge of the human skeletal system. It highlights the types of movement that take place in the human body. It also elucidates the functions of the skeletal system and disorders related to it.

This chapter introduces the candidates to the mechanism of neural control and coordination. They explore the human neural system, reflex action, and conduction of nerve impulses. It also explains the structure and function of human eyes and ears.

This chapter features the study of human endocrine system, glands, hormones, kidneys, and gastrointestinal tract. We will also learn about the hormonal actions on the human body with the help of pictures.