This chapter will help you understand how animals and humans consume food for nourishment, functioning, and growth of their bodies. From the manner in which food intake is initiated in humans/animals to the way it is digested inside their bodies, has been covered in great detail in this chapter.
Respiration in Organism is to spur the interest in you towards the process of respiration in organisms – the vital function for life. It teaches about the process of respiration in all organisms under various circumstances.
Reproduction in organisms - This chapter will help you to understand the concept of reproduction in plants by illustrating the modes of reproduction, parts of flowers involved in the process of reproduction, seed formation and seed dispersal.