QUIZ

The circulatory system is a network consisting of blood, blood vessels, and the heart. This network supplies tissues in the body with oxygen and other nutrients, transports hormones, and removes unnecessary waste products in Blood and blood circulation The heart is made of specialized cardiac muscle tissue that allows it to act as a pump within the … Read more

This Quiz have short notes about Environment, Ecology, Health And Hygiene for who prepare for tnpsc exams and other combetative exams. Its also contain objective type questions. It is useful for all type of TNPSC exams.