What is system? Md. Saifur Rahman If two or more organs act together to perform similar physiological functions of the body, then the organs are named system.You may likeDo I need car insurance?What is car insurance?How could I get cheaper car insurance?What is auto insurance?Why Adulterant food is the barrier to sound health?What are the producers?What are food preservatives?What is food chain?What is tertiary consumer?