Tussues doing the same job pr function group togher to make an organ so each organ has its own task to perform .Every organ carries out a function and this is the purpose of an organ.
Most organs in the human body serve a particular purpose, and many organs have more than one purpose. Some organs, like wisdom teeth and erector pili are essentially useless and are called vestigial. Other organs like the gall bladder or tonsils are useful, but not essential. Your question is a vague but just about every organ in the human body is essential for life.
There are a few organs in the human body that could be considered creative organs. The brain is one example.
Yes, blood vessels are considered organs in the human body.
Yes - if you have a human body you are human.
Vital organs
1.Brain2.kidney3.Heart4.Womb7.Lungs8.Liver
There are several vestigial organs in the human body, including the appendix, wisdom teeth, and the coccyx (tailbone). The exact number of vestigial organs may vary depending on interpretation and definition.
10 waste organs.
Cells make up tissues. Two or more types of tissue make up an organ. Several organs together that work toward a common purpose is a body, or organ, system.
liver
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Organs