Structure of an animal is formed with several kinds of cells. There are 200 different types of specialized cells in the human body. The cells of one or more kinds are arranged together in a characteristic manner and perform a …
HUMAN NEURAL SYSTEM : There are two parts in Human Neural System The central nervous system (CNS) – In CNS includes the brain and spinal cord and is the site of information processing and control. The peripheral nervous system (PNS): …
The parts of the body require nourishment and oxygen and need to be removed metabolic wastes from the body. So there is a necessity of transporting various substances like digested food materials to provide energy and growth of the body …