The human body consists of many organs each of them do a certain job. The organ is that part of the body which performs a certain function. There are many organs; for example, eye, ear, tongue, heart, etc.
While the group of organs which unite and work in harmony to do a specific job is known as system. If you examined your body from inside, you will find different systems performing different functions; for example, respiratory system, digestive system, circulatory system, etc.
All of these systems work regularly day after day to keep the human body alive. Glory to God, the creator who made the human body integrated and harmonious.
This film is in Arabic