Section outline

    • In this chapter, we will explore:

      • The structure and function of the circulatory system of humans & plants.
      • The role of blood and its components.
      • The function of heart, various blood vessels, lungs, etc.
      • The process of excretion & functions of different excretory organs.
      • Transpiration in plants.
      • The transportation of water and nutrients through xylem & phloem.
      • The process of excretion in some animals.

       So, learner's let's begin!