What are Organs System
Answers
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An organ system is a group of organs that work together to perform major functions or meet physiological needs of the body.
An organ system can be simply defined as "A system of organs, who have the same function to perform".
For example :- Stomach, Liver, Small intestine, Large intestine etc are organs. They perform the same function related to the digestion of food. Hence, they form a digestive system.
Other examples can be Circulatory system(System of heart, arteries, veins etc), Skeletal system(System of various bones), Excretory system(System of kidney, sweat glands and various excretory organs), Reproductive system(System of reproductive organs) etc.
Organ system classification can be seen in kingdom Annelida, Platyhelminthes, Arthropoda, Mollusca, Protochordate and Chordata.